The purpose of this blog is the creation of an open, international, independent and free forum, where every UFO-researcher can publish the results of his/her research. The languagues, used for this blog, are Dutch, English and French.You can find the articles of a collegue by selecting his category. Each author stays resposable for the continue of his articles. As blogmaster I have the right to refuse an addition or an article, when it attacks other collegues or UFO-groupes.
Druk op onderstaande knop om te reageren in mijn forum
Zoeken in blog
Deze blog is opgedragen aan mijn overleden echtgenote Lucienne.
In 2012 verloor ze haar moedige strijd tegen kanker!
In 2011 startte ik deze blog, omdat ik niet mocht stoppen met mijn UFO-onderzoek.
BEDANKT!!!
Een interessant adres?
UFO'S of UAP'S, ASTRONOMIE, RUIMTEVAART, ARCHEOLOGIE, OUDHEIDKUNDE, SF-SNUFJES EN ANDERE ESOTERISCHE WETENSCHAPPEN - DE ALLERLAATSTE NIEUWTJES
UFO's of UAP'S in België en de rest van de wereld Ontdek de Fascinerende Wereld van UFO's en UAP's: Jouw Bron voor Onthullende Informatie!
Ben jij ook gefascineerd door het onbekende? Wil je meer weten over UFO's en UAP's, niet alleen in België, maar over de hele wereld? Dan ben je op de juiste plek!
België: Het Kloppend Hart van UFO-onderzoek
In België is BUFON (Belgisch UFO-Netwerk) dé autoriteit op het gebied van UFO-onderzoek. Voor betrouwbare en objectieve informatie over deze intrigerende fenomenen, bezoek je zeker onze Facebook-pagina en deze blog. Maar dat is nog niet alles! Ontdek ook het Belgisch UFO-meldpunt en Caelestia, twee organisaties die diepgaand onderzoek verrichten, al zijn ze soms kritisch of sceptisch.
Nederland: Een Schat aan Informatie
Voor onze Nederlandse buren is er de schitterende website www.ufowijzer.nl, beheerd door Paul Harmans. Deze site biedt een schat aan informatie en artikelen die je niet wilt missen!
Internationaal: MUFON - De Wereldwijde Autoriteit
Neem ook een kijkje bij MUFON (Mutual UFO Network Inc.), een gerenommeerde Amerikaanse UFO-vereniging met afdelingen in de VS en wereldwijd. MUFON is toegewijd aan de wetenschappelijke en analytische studie van het UFO-fenomeen, en hun maandelijkse tijdschrift, The MUFON UFO-Journal, is een must-read voor elke UFO-enthousiasteling. Bezoek hun website op www.mufon.com voor meer informatie.
Samenwerking en Toekomstvisie
Sinds 1 februari 2020 is Pieter niet alleen ex-president van BUFON, maar ook de voormalige nationale directeur van MUFON in Vlaanderen en Nederland. Dit creëert een sterke samenwerking met de Franse MUFON Reseau MUFON/EUROP, wat ons in staat stelt om nog meer waardevolle inzichten te delen.
Let op: Nepprofielen en Nieuwe Groeperingen
Pas op voor een nieuwe groepering die zich ook BUFON noemt, maar geen enkele connectie heeft met onze gevestigde organisatie. Hoewel zij de naam geregistreerd hebben, kunnen ze het rijke verleden en de expertise van onze groep niet evenaren. We wensen hen veel succes, maar we blijven de autoriteit in UFO-onderzoek!
Blijf Op De Hoogte!
Wil jij de laatste nieuwtjes over UFO's, ruimtevaart, archeologie, en meer? Volg ons dan en duik samen met ons in de fascinerende wereld van het onbekende! Sluit je aan bij de gemeenschap van nieuwsgierige geesten die net als jij verlangen naar antwoorden en avonturen in de sterren!
Heb je vragen of wil je meer weten? Aarzel dan niet om contact met ons op te nemen! Samen ontrafelen we het mysterie van de lucht en daarbuiten.
24-07-2019
New Measurement of The Universe is More Evidence That Physics is Broken
New Measurement of The Universe is More Evidence That Physics is Broken
It seemed for a while as we forged bravely into the 21st century that we were pretty smart. We thought we were figuring out the mysteries of the universe, one after another. Recently, however, there’s been a series of reports that all challenge our model of the universe, which we thought was pretty well figured out. First we find out that the sun is a lot stranger than we think it is, then we find out that the universe is more than a billion years younger than it should be. These both suggest the same thing: we’re not nearly as smart as we think we are. This is nothing new, of course. The story of humanity is in essence the surfing of the constant realization that we’re pretty dumb all the way to the stars. Which is a neat little trick.
Now there’s a third in the series of assumption defying realizations. The Hubble constant is an astrophysical value that represents the expansion rate of the universe. It was named for Edwin Hubble who, in 1924, discovered that the farther away from Earth a galaxy was, the faster it appeared to be continuing its outward trajectory. In the early 1990’s, a team led by astrophysicist Wendy Freedman calculated the Hubble Constant within 10% of it’s true value, and scientists have been trying to refine that calculation ever since.
The Hubble Space Telescope, also named for Edwin Hubble, was used to calculate the Hubble constant.
And there seems to be a pretty big problem. Wendy Freedman recently recalculated the Hubble Constant using red giant stars as mileposts—red giants are useful because they reach the same brightness late in their evolution and thus make pretty good distance markers. With her new calculation, rently accepted for publication by the Astrophysical Journal, Wendy Freedman came to an entirely different result than she and her team calculated in the 1990’s. What might this mean? Well, this is just the latest in a series of discoveries related to the age and expansion of the universe that have found serious discrepancies, discrepancies that open up the possibility that something is well and truly broken with physics.
“Alright, I admit it. I don’t understand!”
Wendy Freedman’s red giant method of calculating the Hubble constant was supposed to be a “tie-breaker” between two other competing calculation. Instead it’s a different result entirely. According to Freedman:
“The Hubble constant is the cosmological parameter that sets the absolute scale, size and age of the universe; it is one of the most direct ways we have of quantifying how the universe evolves. The discrepancy that we saw before has not gone away, but this new evidence suggests that the jury is still out on whether there is an immediate and compelling reason to believe that there is something fundamentally flawed in our current model of the universe.”
“Naturally, questions arise as to whether the discrepancy is coming from some aspect that astronomers don’t yet understand about the stars we’re measuring, or whether our cosmological model of the universe is still incomplete. Or maybe both need to be improved upon.”
NASA is launching a brand-new telescope at some point in the mid-2020’s called the Wide Field Infrared Survey Telescope (WFIRST). This telescope will provide the same resolution as the now-defunct Hubble Space Telescope with 100 times the field of view. Astronomers hope that this new super telescope will show them where the discrepancy lies without making us re-do physics. More likely, it will probably keep showing us just how dumb we are.
Imagine a world where magic existed. In such a world, one might be able to wear a cloak that, once it covered our bodies, rendered us invisible; the likes of things we read about or see in films that include Harry Potter and the Philosopher’s Stone.
Such things will never really exist, at least not from magical means. However, that’s not to say that science won’t eventually be able to achieve similar things. One day, with the use of unique and, at times, almost unearthly composite materials–the likes of which are never found in nature–humans may indeed be able to bring such things as invisibility cloaks into real existence.
To achieve invisibility, a metamaterial needs to possess certain optical properties. Specifically, scientists would have to design the material so that they could control how light moves around an object without being reflected or absorbed. This design is possible, but it would take just the right material with just the right structure.
The aforementioned algorithm, created by Yongmin Liu, a professor at Northeastern University, and his team found that using a computer algorithm to create such unnatural composite materials was “much faster and more accurate than previous approaches, paving the way for engineers to design next-generation materials.”
By introducing the algorithm to some 30,000 different sample data sets, it was able to not only learn those relationships, but to expand on them and predict new varieties based on the data.
Fast forward to 2019, where new developments in this burgeoning field are pushing boundaries even further into tomorrow: a multidisciplinary team with the Department of Mechanical Engineering and Department of Chemical Engineering at the Pohang University of Science and Technology (POSTECH) have now formalized a system “that allows researchers to choose materials and design photonic structures arbitrarily by using deep learning.”
In layman’s terms, this means they are using artificial intelligence to aid in the creation of new kinds of metamaterials, capable of functions that include invisibility.
“The resulting metamaterials can be utilized in display, security, and military technologies. In this regard, introduction of AI to the design method is expected to make important contributions to the technological development of metamaterials,” PhysOrgreported.
Of the three areas listed above, perhaps the mention of “military technologies” is the most interesting and impactful. It also reminds us of the kinds of “innovations of tomorrow” that were being foreshadowed decades ago, albeit in relation to more speculative lines of thought.
A good example might include an article that appeared in Britain’s Sunday Dispatch in October 1954. In it, a quote from a spokesman with the British War Office stated that “(UFOs) are invisible to the human eye,” and that radar operators frequently detected “fleets” of unidentified—and invisible—objects passing overhead in the mid-afternoon. Any attempts at establishing visible line-of-sight confirmation proved unsuccessful.
“Every time, they have followed the same pattern, always around mid-day. All our radar sets in the area have picked them up,” the article stated.
This may sound like a description of some rather exotic technology; however, early camouflage techniques were already being developed by around the time of World War I that would allow aircraft to become functionally “invisible” when viewed against the sky at a distance. One 1917 patent application attributed to Mary “Mitty” Taylor Brush proposed a pattern that would be “able to produce a machine which is practically invisible when in the air.” Such techniques, later put into use during wartime, were derived from techniques used in fine art already for centuries.
Modern stealth technology is, of course, far more advanced than this, and although these modern aircraft are generally only “invisible” to radar systems, their incredible speed, sophistication, and maneuverability allows them to often function in ways that almost exceeds any necessity for possessing actual invisibility.
Nonetheless, if current innovations in metamaterials (helped along by artificial intelligence) are any indication, the aircraft of tomorrow may indeed take such technologies into new and unforeseen places… or for that matter, perhaps into the unseen, period.
For those who have been following the UFO phenomenon for a long time are undoubtedly familiar with the famous UFO videos from Sheilaaliens.
Most of the original videos were lost when the original Sheilaaliens channel was terminated long long ago.
But now it appears that Sheilaaliens is back whereby she indicates that she will regularly present new UFO sightings on her channel.
Sheila: In this video I present a compilation of strange things I recorded in Tucson, AZ many years ago. Re-uploaded because the old upload somehow got the aspect ratio squished and distorted to 21:9 or worse, and it was completely unwatchable.
Guys this is nuts! Google is attacking MUFON calling the UFO reporting site a hacking site and telling visitors not enter or risk losing passwords and valuable data. That MUFON is a deceptive website. Its not, its a safe place for anyone to report their photos or video of UFOs that they have seen and for others to read them. It really looks like Google is working with the US government to edit and delete all UFO evidence. This is 100% proof that Google and the US Gov are working together to control what the public knows.
Verloren beschavingen in niemandsland. Van deze archeologische vindplaatsen heb je waarschijnlijk nog nooit gehoord
Verloren beschavingen in niemandsland. Van deze archeologische vindplaatsen heb je waarschijnlijk nog nooit gehoord
Er zijn allerlei archeologische vindplaatsen op aarde waar je hoogstwaarschijnlijk nog nooit van hebt gehoord.
Als je denkt aan oude, verloren beschavingen, dan denk je wellicht aan de Egyptische piramides, Stonehenge, Machu Picchu, de Maya’s of de Azteken.
Er zijn ook veel minder bekende vindplaatsen. Zo is Gobekli Tepe in Turkije, een 12.000 jaar oud tempelcomplex, een compleet mysterie.
Bijna niemand
Of wat dacht je van Angkor Wat in Cambodja? Deze tempel werd pas in de 19e eeuw herontdekt. Er zijn vast ook mensen die zullen denken aan de historische stad Petra in Jordanië.
Er zijn daarnaast oude vindplaatsen waar bijna niemand iets over weet. In de video hieronder worden er een aantal besproken.
Oude ruïnes
Zo werden onlangs in Mosoel in Irak oude ruïnes ontdekt die duizenden jaren lang verborgen lagen.
Je gaat tot de ontdekking komen dat er heel veel is wat wij niet weten over ons verleden. Je kunt je verder afvragen hoeveel er nog ontdekt gaat worden.
Creator of 'Storm Area 51' Movement Fears Event Could Lead to 'Military Base Slaughter'
Creator of 'Storm Area 51' Movement Fears Event Could Lead to 'Military Base Slaughter'
It all started as an apparent farce but has undoubtedly been blown out of proportion, as just under 2 million people signal their intent to storm one of the most highly protected facilities in the United States.
The man behind the ludicrous idea to raid the secretive Area 51 and "see them aliens" has opened up on what will happen next to his viral campaign.
"It started out as just a pure stroke of imagination, just funny. I wanted to do something cool out there now, that we have a bunch of people, but I don't want anybody to get hurt," Matty Roberts told KTNV Channel 13 Las Vegas.
Roberts, from California, is concerned that some overly enthusiastic fans of the alien cover-up theory from Facebook expressed willingness to die for the event. He noted that he didn't want to turn the prank into a "military base slaughter" and would like to see "something educational, maybe music and art. That's what I'm working on".
He showed up for the interview in a black cloak with ominous red clouds and a forehead protector, the signature costume of Akatsuki members, a criminal organisation from the hit anime Naruto.
23ABC News
@23ABCNews
DID YOU KNOW? The guy behind the 'Area 51' Facebook page, which has reached millions, lives in Bakersfield?
We talked to Matty about his actual "raid" plan, social-media buzz, and what exactly is a Naruto Runner? Hmmmm.
The satirical Facebook event he launched, titled 'Storm Area 51, They Can't Stop All of Us', suggests an unorthodox way of breaking in: "If we Naruto run, we can move faster than their bullets."
He was referring to the 'anime' running technique, which implies that a ninja can move much faster with their torso leaning forward and their arms tucked back.
The event, scheduled for 20 September, has become the latest Internet fascination. As of the time of writing, 1.8 million users had RSVP'd confirming attendance, while another 1.4 million marked themselves as 'interested'.
Area 51 is a highly-classified US Air Force facility in the Nevada desert. Established in the 1950s, Area 51 was so closely guarded that the government only acknowledged its existence in 2013.
The base is believed to be a test site for top-secret aircraft and aviation technologies, including the U-2 spy plane in the 1950s and the B-2 stealth bomber.
However, a long-running conspiracy theory suggests that Area 51 is where the US government is keeping classified information about alien encounters, or even the aliens themselves.
Organisator ‘Bestorm Area 51’ vreest dat populair Facebookevenement zal leiden tot slachtpartij. Zoveel mensen hebben zich al opgegeven
Organisator ‘Bestorm Area 51’ vreest dat populair Facebookevenement zal leiden tot slachtpartij. Zoveel mensen hebben zich al opgegeven
Al bijna twee miljoen mensen hebben aangegeven van plan te zijn één van de meest geheimzinnige plekken in de Verenigde Staten te bestormen.
De organisator van het evenement, Matty Roberts, is bezorgd dat sommigen van hen bereid zijn om te sterven terwijl ze toegang proberen te krijgen tot Area 51.
Hij wil niet dat het evenement, dat begon als grap, zal resulteren in ‘een slachtpartij op een legerbasis’.
Iets educatiefs
Roberts wil juist dat het iets educatiefs gaat worden, mogelijk in de vorm van muziek of kunst. “Daar werk ik momenteel aan,” zei hij.
De bestorming staat gepland voor 20 september. Op het moment van schrijven hebben al ruim 1,9 miljoen mensen laten weten dat ze gaan. Nog eens 1,4 miljoen zijn geïnteresseerd.
Het Amerikaanse leger zegt voorbereid te zijn en raadt mensen af om naar de legerbasis te komen.
Buitenaards contact
Area 51 is een topgeheime legerbasis in de Nevadawoestijn. Hoewel de basis in de jaren vijftig is gebouwd, werd het bestaan ervan pas in 2013 officieel erkend.
Naar verluidt werden er geheime vliegtuigen getest, waaronder het spionagevliegtuig U-2 en de B-2 stealthbommenwerper.
Volgens een complottheorie heeft de Amerikaanse overheid geheime informatie over buitenaards contact en aliens opgeslagen op de basis.
The strange story of the alleged UFO crash at Aztec, New Mexico in March 1948 – and the recovery of a number of dead “little men” at the site – is a real hotbed of lies, disinformation, and shady characters. Most of those same characters were best avoided by those with dollars to spare. The tale was made infamous in the pages of Frank Scully’s 1950 blockbuster, Behind the Flying Saucers; it was a book which turned out to be a huge seller. Today, the Aztec affair is seen by some ufologists as Roswell’s “little brother.” As its “skeleton in the cupboard” might be a far more apt description, however. Many researchers of the UFO phenomenon dismiss the Aztec incident as nothing but a hoax; one which was perpetrated by a shady businessman/conman named Silas Newton. His less-than-shining FBI filecan be accessed at the FBI’s website, The Vault.
When it came to stories of aliens from faraway worlds, making money was always the goal for Newton. And the only goal. Along for the ride with Newton was Leo Gebauer. He was the Igor to Newton’s ego-driven Dr. Frankenstein. There is, though, a very interesting and extremely odd aspect to the Newton/Aztec story. It serves to demonstrate how the UFO phenomenon was becoming the tool of manipulative disinformation specialists in the intelligence community. And not just of the Soviet Union. The United States was getting into the strange game, too.
Back in 1998, the late Karl Pflock, ufologist and CIA employee (sometimes at the same time…), was approached by a still-anonymous source who had something very interesting to say about the Aztec caper, and about Newton too. It was a decidedly weird series of revelations that Pflock surely never anticipated receiving. To his dying day, Pflock refused to reveal the name of his informant in the shadows – rumors, however, were that the person may have been a nephew of Silas Newton – but, Pflock did say that all of the lunchtime meetings with his source occurred between July 11 and September 24, 1998 and took place in a restaurant in Bernalillo, New Mexico.
So the story goes, Pflock’s informant had in their hands twenty-seven pages taken, or rather torn, from an old and faded, lined journal. No prizes for guessing who that journal had belonged to. That’s right, sly, old Silas Newton. Pflock was told that Newton had kept multiple journals and diaries not just for years, but for decades. They were jammed with entertaining tales of sexual conquests, of Hollywood starlets, of the fleecing of the rich and the gullible, and of wild adventures across the United States. The outcome of all this? Newton decided, around the turn of the 1970s, that it was right about time for him to write-up his version of the Aztec controversy. It would surely have been a definitive page-turner. Death, however, inconveniently intervened in 1972, when Newton passed away in his mid-eighties. What happened to all of those journals is anyone’s guess.
As for those few pages that Pflock was allowed to see – and to transcribe word for word – they tell a tale of undeniable weirdness. By his own admittance, and a couple of years after the Aztec story surfaced in Frank Scully’s book, Newton was clandestinely visited by two representatives of “a highly secret U.S. Government entity,” as Pflock carefully and tactfully described it. Those same representatives of the government told Newton, in no uncertain terms, that they knew his Aztec story was a complete and bald-faced lie. Utter bullshit, in fact. Incredibly, though, they wanted Newton to keep telling the taleto just about anyone and everyone who would listen. This caused Pflock to ponder on an amazing possibility: “Did the U.S. Government or someone associated with it use Newton to discredit the idea of crashed flying saucers so a real captured saucer or saucers could be more easily kept under wraps?”
Far more intriguing, though, , is the next question that Pflock posed: “Was this actually nothing to do with real saucers but instead some sort of psychological warfare operation [italics mine]?” With the Newton revelations in hand, Pflock, no later than 1999, came to believe that back in the early fifties someone in the government, the intelligence community, or the military of the United States – and maybe even a swirling combination of all three – wanted the Aztec story further circulated. The purpose: as a means to try and convince the Russians that the U.S. military had acquired, or captured, alien technology. When, in reality, it had no such thing in its possession at all.
For the record, in 2002, when Pflock and I were corresponding regularly on the matter of these particularly curious revelations, he told me that he had been able to confirm who the two men that approached Newton worked for and specifically when their meeting with Newton occurred. The time-frame was late March 1950 and the pair of spooks came from a small group within the CIA. Slightly more than a year later, Pflock learned, that very same group was absorbed into the Psychological Strategy Board. The PSB was…”established by Presidential Directive on April 4, 1951 ‘to authorize and provide for the more effective planning, coordination, and conduct within the framework of approved national policies, of psychological operations.’ An abbreviated version of the Presidential Directive was released to the public on June 20, 1951.”
CIA Headquarters, Langley, Virginia
Having digested the words above, it can be said with a high degree of certainty that those predecessors to the PSB, which Newton was confronted by, would have been the perfect people to have enlisted Newton into their operation mind-fuck. Not only that, in November 1998 Pflock secured a copy of Newton’s will. Having earlier seen Newton’s “scrawling, sprawling” writing up close at that Bernalillo restaurant, Pflock said: “The will unquestionably is in Newton’s hand, and while I’m certainly not a handwriting expert, the comparison left no doubt in my mind that he wrote the journal, too.”
I know just how fascinated Pflock was when it came to the Aztec crash and the claims of Newton and that “highly secret U.S. Government entity.” Pflock and I had been corresponding as far back as the late 1990s, but, I didn’t meet him in person until 2003 – at a UFO gig in the city of Aztec itself. For a number of years, the conference was an annual event. But, no more. When Pflock and I finally met, he near-immediately suggested that we should write an Aztec-themed book. Pflock’s reasoning was that he knew the story very well, and, via the provisions of the Freedom of Information Act, I had uncovered hundreds upon hundreds of pages of material – chiefly from the FBI – on the Aztec controversy and the players within it. He thought that we would make a good team. Particularly so now that I lived in the U.S. – and specifically in Dallas, Texas, which (in terms of the road-trips that I regularly undertake) is not at all far from New Mexico, where Pflock resided and where the 1948 crash supposedly happened.
As I listened, Pflock told me that his idea was, essentially, to make the book a biography on Newton, but with the Aztec affair being the main thrust of it all. I thought it was a very good idea. Pflock suggested that he prepare a synopsis for his literary agent (this was around a year before I first met my longstanding agent, Lisa Hagan), which is exactly what he did. The book was going to be called Silas the Magnificent: A True Tale of Greed, Credulity, and (Maybe) Government Chicanery and Cover-up in 1950s America. Sadly, the idea collapsed when Pflock fell seriously ill with Amyotrophic Lateral Sclerosis, or Lou Gehrig’s disease. He unfortunately died from the effects of ALS on June 5, 2006, at the age of just sixty-three.
Pflock is gone, but the printed synopsis still exists, as do several printed chapters, including one on the matter of the Psychological Strategy Board aspect of all this. It would have made a good book. And, very possibly, it just might have revealed more of the fabricated story of how – and with the help of Silas Newton – American intelligence led the Russians on a wild goose chase and had them believing that U.S. scientists were secretly studying a recovered UFO and its advanced technologies and weapons-systems. If such a plot successfully terrified Soviet intelligence, for the U.S. government it was a job well done.
There’s one more thing that needs to be highlighted on this controversy-saturated saga of a crashed UFO and Silas Newton. On June 24, 1964, Frank Scully, whose 1950 book, Behind the Flying Saucers, placed the alleged incident firmly under the spotlight, passed away. As the New York Times noted in its obituary on Scully, one day later: “Mr. Scully was labeled a Communist by Congressman Martin Dies, head of the House Un-American Activities Committee. After a stormy two-hour session with the Committee, Mr. Scully was cleared of the charge.”
Yes, Scully was exonerated. It is a fact, though, that sometimes – to use a U.K. term – “mud sticks.” For at least some, including those in the intelligence community, Scully was still seen as a closet communist, regardless of the fact that he had been completely absolved of any kind of guilt. Maybe, those spooks and spies who paid Silas Newton a visit in 1950 were concerned by the possibility that Scully was in cahoots with the Russians. This is, admittedly, speculation and nothing more. But, as I note in my new book, Flying Saucers from the Kremlin, we see flying saucer enthusiasts, communism, and secret government activity rolled into one.
Cosmic Pearls Found in Fossil Clams, Evidence of Asteroid Strike in Florida
Cosmic Pearls Found in Fossil Clams, Evidence of Asteroid Strike in Florida
Researchers picking through the contents of fossil clams from a Sarasota County quarry found dozens of tiny glass beads, likely the calling cards of an ancient meteorite.
Analysis of the beads suggests they are microtektites, particles that form when the explosive impact of an extraterrestrial object sends molten debris hurtling into the atmosphere where it cools and recrystallizes before falling back to Earth.
They are the first documented microtektites in Florida and possibly the first to be recovered from fossil shells.
Mike Meyer was a University of South Florida undergraduate when he discovered the microtektites during a 2006 summer fieldwork project led by Roger Portell, invertebrate paleontology collections director at the Florida Museum of Natural History.
As part of the project, students systematically collected fossils from the shell-packed walls of a quarry that offered a cross-section of the last few million years of Florida’s geological history. They pried open fossil clams, washing the sediment trapped inside through very fine sieves. Meyer was looking for other tiny objects – the shells of single-celled organisms known as benthic foraminifera – when he noticed the translucent glassy balls, smaller than grains of salt.
Mike Meyer mounted the microtektites on micropaleontology slides, a process that involves licking a paintbrush to pick up the small spheres and place them on dots of glue. “I did accidentally eat a couple of them,” Meyer said.
Photo credit: Meyer et al in Meteoritics and Planetary Science.
“They really stood out,” said Meyer, now an assistant professor of Earth systems science at Harrisburg University in Pennsylvania. “Sand grains are kind of lumpy, potato-shaped things. But I kept finding these tiny, perfect spheres.”
After the fieldwork ended, his curiosity about the spheres persisted. But his emails to various researchers came up short: No one knew what they were. Meyer kept the spheres – 83 in total – in a small box for more than a decade.
“It wasn’t until a couple years ago that I had some free time,” he said. “I was like, ‘Let me just start from scratch.’”
Meyer analyzed the elemental makeup and physical features of the spheres and compared them to microtektites, volcanic rock and byproducts of industrial processes, such as coal ash. His findings pointed to an extraterrestrial origin.
“It did blow my mind,” he said.
He thinks the microtektites are the products of one or more small, previously unknown meteorite impacts, potentially on or near the Florida Platform, the plateau that undergirds the Florida Peninsula.
Initial results from an unpublished test suggest the spheres have traces of exotic metals, further evidence they are microtektites, Meyer said.
Most of them had been sealed inside fossil Mercenaria campechiensis or southern quahogs. Portell said that as clams die, fine sediment and particles wash inside. As more sediment settles on top of the clams over time, they close, becoming excellent long-term storage containers.
“Inside clams like these we can find whole crabs, sometimes fish skeletons,” Portell said. “It’s a nice way of preserving specimens.”
Credit: Florida Museum of Natural History
During the 2006 fieldwork, the students recovered microtektites from four different depths in the quarry, which is “a little weird,” Meyer said, since each layer represents a distinct period of time.
“It could be that they’re from a single tektite bed that got washed out over millennia or it could be evidence for numerous impacts out on the Florida Platform that we just don’t know about,” he said.
Credit: Florida Museum of Natural History
The researchers plan to date the microtektites, but Portell’s working guess is that they are “somewhere around 2 to 3 million years old.”
One oddity is that they contain high amounts of sodium, a feature that sets them apart from other impact debris. Salt is highly volatile and generally boils off if thrust into the atmosphere at high speed, Meyer said.
“This high sodium content is intriguing because it suggests a very close location for the impact,” Meyer said. “Or at the very least, whatever impact created it likely hit a very large reserve of rock salt or the ocean. A lot of those indicators point to something close to Florida.”
The relative age of microtektites can be determined by a process known as potassium-argon dating. “The melting process basically sets the clock back to zero because that’s when this rock, ever so tiny, was created,” Meyer said. “With recrystallization, the clock starts again, and you can use that.”
Photo credit: Meyer et al in Meteoritics and Planetary Science.
Meyer and Portell suspect there are far more microtektites awaiting discovery in Florida and have asked amateur fossil collectors to keep an eye out for the tiny spheres.
But no one will be recovering microtektites from the original quarry any time soon. It’s now part of a housing development.
“Such is the nature of Florida,” Meyer said.
Researchers searching for fossils kept finding tiny glassy spheres inside ancient clams. After more than a decade, testing suggests they are evidence of one or more undocumented meteorite impacts in Florida’s distant past.
Credit: Florida Museum photo by Kristen Grace
Contacts and sources: Natalie van Hoose Florida Museum of Natural History
Citation: A first report of microtektites from the shell beds of southwestern Florida. Mike Meyer, Peter J. Harries, Roger W. Portell. Meteoritics & Planetary Science, 2019; DOI: 10.1111/maps.13299
Meteorite Found in Siberia Contains Naturally Impossible Crystal
Meteorite Found in Siberia Contains Naturally Impossible Crystal
In 2009, scientists made a groundbreaking discovery that was ultimately traced to a remote corner of the world. In a box obtained from the Italian Museum of Natural History in Florence, Italy, they found a small grain of extraterrestrial mineral that was formed shortly after the birth of our solar system, 4.5 billion years ago. The mineral came from an area near the Koryak Mountains in eastern Siberia, and was delivered to Earth by an object known as the Khatyrka meteorite. The latter was discovered only after researchers returned to the area in search of more exotic minerals in 2011.
This new rock has been designated as a quasicrystal, in recognition of its unique structural properties. A quasicrystal looks like a normal crystal on the outside, but on the inside it is noticeably different. While the atoms in a pure crystal are arranged in constantly repeating patterns, the atomic lattices inside the quasicrystal are both ordered and diverse, displaying a range of shapes never before seen in a natural substance.
More than 100 synthetic versions of these minerals have been produced in laboratories, between 1982 and the present day. Until these experiments, such a form of matter had never been seen before, and in the past had been believed to be theoretically impossible according to accepted ideas about the laws of nature. Previously the only thing ever found were crystals, with their rigidly repetitive patterns, and so-called normal solids, which are comprised of atoms arranged in no particular order.
A Scientific Detective Story
Even after quasicrystals were created in a laboratory, their existence in nature was doubted. But one of the people who’d predicted that quasicrystals might actually be makeable, Princeton University theoretical physicist Paul Steinhardt, was determined to leave no stone unturned (figuratively and literally) in his search for quasicrystals formed by the processes of nature .
It was Steinhardt who was responsible for finding the quasicrystal sample in the box from the Italian museum, with assistance from an Italian geologist named Luca Bindi. Steinhardt formed a team of scientists to study this intriguing mineral, and they eventually confirmed the unique structure of the tiny rock from one of the planet’s remotest areas.
To uncover the true origin of the quasicrystal sample, the team of scientists investigated numerous possibilities. They tried to develop a realistic scenario explaining how the quasicrystal could have formed naturally on Earth. But in the end, they were able to establish with near 100-percent certainty that it had arrived on Earth from somewhere else in the solar system.
Steinhardt’s analysis showed the mineral was embedded in another mineral known as stishovite. This rock comes from meteorites, and its encirclement of the quasicrsytal meant both minerals had been formed by a high-pressure process at approximately the same time inside a meteorite that eventually landed in the wilds of Siberia. Further cementing their conclusion was the discovery that the ratio of oxygen isotopes inside the quasicrystal was not consistent with ratios found on Earth, but was instead explainable only if the quasicrystal had been created off-planet.
“The finding is important evidence that quasicrystals can form in nature under astrophysical conditions, and provides evidence that this phase of matter can remain stable over billions of years,” Steinhardt explained after announcing the results of his team’s analysis.
Not content with finding just one quasicrystal, Steinhardt and associates made their own trip to Siberia in 2011. After searching the Kamchatka Peninsula area near the Koryak Mountains, they were able to obtain a fresh sample of rock from the Khatyrka meteorite, and inside they eventually found two more quasicrystals , each of which had a unique molecular structure. Since quasicrystals are extremely small the hunt for them is a bit like searching for a needle in a haystack, and the most recently discovered sample was only uncovered in 2016, five years after the meteorite sample was removed from Siberia.
All three quasicrystals were found to contain a mixture of aluminum, copper and iron. The third quasicrystal discovered has a special structure that has yet to be created in synthetic form in a laboratory, highlighting nature’s persistent habit of producing more novelty than we expect or imagine to be possible.
As for the source of the naturally-formed quasicrystals, Steinhardt speculates that a violent collision between two asteroids in the early days of the solar system may have created these remarkable minerals. Close study of their characteristics, and other materials in the Khatyrka meteorite sample retrieved, could help physicists and geologists determine more about what conditions were like when the solar system was in its formative stage.
Quasicrystals possess an interesting package of characteristics. They are extremely hard, but they are also slippery to the touch and do not generate much friction.
So far, the search for useful applications has yielded only a few results, even though researchers have been working with synthetic samples for more than three decades. Quasicrystal has been used to harden the steel from which surgical and other medical instruments are manufactured, and Steinhardt himself invented a quasicrystal-lined frying pan that has some impressive no-stick qualities. But as of now, that’s about it.
Nevertheless, hope springs eternal.
As explained by Paul Asimov, a quasicrystal researcher from the California Institute of Technology, scientists working in this area hope “to find new quasicrystalline alloys that might have some use, because none of the ones discovered so far really have any use other than ‘wow, this is cool. But its not out of the question that someone will find a really good use for quasicrystals one of these days.”
Treasure Troves from the Sky
It is estimated that as much as 100 tonnes of space debris will enter the Earth’s atmosphere each and every day. Most of it will burn up, but a few thousand kilograms of material will actually make it to the Earth’s surface annually.
Few would ever guess that we’re constantly being showered by rocks and dust from the solar system, only a small portion of which will ever be seen or identified.
Which of course bings up a question. Are there other exotic, extraterrestrial forms of matter delivered by meteorites laying around in remote or distant locations, just waiting to be discovered by intrepid scientific explorers? The possibility cannot be ruled out.
At one time, the existence of substances like quasicrystals was considered impossible Other impossible leftovers from ancient times may have landed here as well, brought in on the wings of fiery, glowing chariots of rock. If and when they’re discovered, they may force us to expand our conceptions about the nature of matter.
Top image:An iron meteorite. Credit: Vladimir / Adobe Stock
You may see the footage below. Footage of a huge shadow moving over the crowd stays in the movie. Footage of a tremendous shadow moving over the crowd stays in the movie.
You might actually watch videos all day long for many years about aliens. The quick video below, for example, is just one of several contemporary sightings. It is possible to have a look at the video below. The video can be seen on the TTS Academy Community of Interest site by click on this link. Hypnosis video is simply one of the absolute most productive procedures to do hypnosis without the use of an actual hypnotist.
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Life After Latest UFO Footage
Some reports state it is a ping, although some claim it is a beep. They state it’s a ping, but others claim it’s a beep. Today you can get the related news immediately! The great news for people that would like to have an out-of-body experience (OOBE), but haven’t yet done so is that there are lots of astral projection techniques out there. The official story has changed a lot of occasions and a lot of questions remain. The beeswarm plot would enable you to easily see whether any buildings fell outside of the standard distribution, which might help identify candidates for deep energy retrofits.
The Bigfoot sighting a part of a bigger recording, but is covered during an approximate 53-second part of the film. The sighting itself, in spite of the corroborative sightings, is not hard to dismiss by itself. There are, however, several other similar sightings around some of the absolute most nuclear heavy facilities on Earth.
To us, it’s the only moon. The complete Moon can cause all sorts of changes on Earth. It can lead to all types of changes on Earth. The total Moon can result in a variety of changes on Earth.
Today, a great deal of individuals are certain that aliens exist. Other folks report being made to breed with human-like extraterrestrials. None are in fact extraterrestrial spacecraft. None are in reality extraterrestrial spacecraft.
My sighting only lasted a number of seconds. It’s simple to comprehend why there are lots of UFO sightings. Today, UFO sighting has been an issue of amusement as an alternative to a concern, despite the fact that there are ample evidences about their scary overall look. Many reported UFO sightings actually end up being something as simple as a balloon.
UFOs are observed through telescopes. They are frequently associated with aliens and conspiracy theories. They are often associated with aliens and conspiracy theories. At some stage, you’re very likely to encounter a UFO. At times, however, UFOs can’t be identified due to the minimal quality of evidence associated with their sightings. Throughout that period of time, there were two triangle UFOs sighted in the same location.
A study led by researchers from the Instituto de Astrofísica de Canarias (IAC) puts a sequence to the events which gave rise to our Galaxy.
The Milky Way 10 billion years ago and the Milky Way shape currently
Credit: IAC
The universe 13,000 million years ago was very different from the universe we know today. It is understood that stars were forming at a very rapid rate, forming the first dwarf galaxies, whose mergers gave rise to the more massive present-day galaxies, including our own. However the exact chain of the events which produced the Milky Way was not known until now.
Exact measurements of position, brightness and distance for around a million stars of our galaxy within 6,500 light years of the sun, obtained with the Gaia space telescope, have allowed a team from the IAC to reveal some of its early stages. “We have analyzed, and compared with theoretical models, the distribution of colours and magnitudes (brightnesses) of the stars in the Milky Way, splitting them into several components; the so-called stellar halo (a spherical structure which surrounds spiral galaxies) and the thick disc (stars forming the disc of our Galaxy, but occupying a certain height range)” explains Carme Gallart, a researcher at the IAC and the first author of this article, which is published today in the journal Nature Astronomy.
Previous studies had discovered that the Galactic halo showed clear signs of being made up of two distinct stellar components, one dominated by bluer stars than the other. The movement of the stars in the blue component quickly allowed us to identify it as the remains of a dwarf galaxy (Gaia-Enceladus) which impacted onto the early Milky Way. However the nature of the red population, and the epoch of the merger between Gaia-Enceladus and our Galaxy were unknown until now.
“Analyzing the data from Gaia has allowed us to obtain the distribution of the ages of the stars in both components and has shown that the two are formed by equally old stars, which are older than those of the thick disc” says IAC researcher and co-author Chris Brook. But if both components were formed at the same time, what differentiates one from the other? “The final piece of the puzzle was given by the quantity of “metals” (elements which are not hydrogen or helium) in the stars of one component or the other” explains Tomás Ruiz Lara, an IAC researcher and another of the authors of the article. “The stars in the blue component have a smaller quantity of metals than those of the red component”. These findings, with the addition of the predictions of simulations which are also analyzed in the article, have allowed the researchers to complete the history of the formation of the Milky Way.
Thirteen thousand million years ago stars began to form in two different stellar systems which then merged: one was a dwarf galaxy which we call Gaia-Enceladus, and the other was the main progenitor of our Galaxy, some four times more massive and with a larger proportion of metals. Some ten thousand million years ago there was a violent collision between the more massive system and Gaia-Enceladus. As a result some of its stars, and those of Gaia-Enceladus were set into chaotic motion, and eventually formed the halo of the present Milky Way. After that there were violent bursts of star formation until 6,000 million years ago, when the gas settled into the disc of the Galaxy, and produced what we know as the “thin disc”.
“Until now all the cosmological predictions and observations of distant spiral galaxies similar to the Milky Way indicate that this violent phase of merging between smaller structures was very frequent” explains Matteo Monelli, a researcher at the IAC and a co-author of the article. Now we have been able to identify the specificity of the process in our own Galaxy, revealing the first stages of our cosmic history with unprecedented detail.
Scientific article: Carme Gallart, Edouard J. Bernard, Chris B. Brook, Tomás Ruiz-Lara, Santi Cassisi, Vanessa Hill and Matteo Monelli. Uncovering the birth of the Milky Way through accurate stellar ages with Gaia. Nature Astronomy (22 July 2019). DOI: 10.1038/s41550-019-0829-5
Contacts and sources: Instituto de Astrofísica de Canarias (IAC)
Astronomers Map Vast Cosmic Void in Our Galactic Neihborhood
Astronomers Map Vast Cosmic Void in Our Galactic Neighborhood
An astronomer from the University of Hawaiʻi Institute for Astronomy (IfA) and an international team published a new study that reveals more of the vast cosmic structure surrounding our Milky Way galaxy.
The universe is a tapestry of galaxy congregations and vast voids. In a new study being reported in The Astrophysical Journal, Brent Tully’s team applies the same tools from an earlier study to map the size and shape of an extensive empty region they called the Local Void that borders the Milky Way galaxy. Using the observations of galaxy motions, they infer the distribution of mass responsible for that motion, and construct three-dimensional maps of our local Universe.
A smoothed rendition of the structure surrounding the Local Void. Our Milky Way galaxy lies at the origin of the red-green-blue orientation arrows (each 200 million lightyears in length). We are at a boundary between a large, low density void, and the high density Virgo cluster.
Credit: R. Brent Tully
Galaxies not only move with the overall expansion of the universe, they also respond to the gravitational tug of their neighbors and regions with a lot of mass. As a consequence, relative to the overall expansion of the Universe they are moving towards the densest areas and away from regions with little mass — the voids.
Although we live in a cosmic metropolis, back in 1987 Tully and Richard Fisher noted that our Milky Way galaxy is also at the edge of an extensive empty region that they called the Local Void. The existence of the Local Void has been widely accepted, but it remained poorly studied because it lies behind the center of our galaxy and is therefore heavily obscured from our view.
Now, Tully and his team have measured the motions of 18,000 galaxies in the Cosmicflows-3 compendium of galaxy distances, constructing a cosmographic map that highlights the boundary between the collection of matter and the absence of matter that defines the edge of the Local Void. They used the same technique in 2014 to identify the full extent of our home supercluster of over one hundred thousand galaxies, giving it the name Laniakea, meaning “immense heaven” in Hawaiian.
For 30 years, astronomers have been trying to identify why the motions of the Milky Way, our nearest large galaxy neighbor Andromeda, and their smaller neighbors deviate from the overall expansion of the Universe by over 600 km/s (1.3 million mph). The new study shows that roughly half of this motion is generated “locally” from the combination of a pull from the massive nearby Virgo Cluster and our participation in the expansion of the Local Void as it becomes ever emptier.
Representations of the void can be seen in a video (below) and, alternatively, with an interactive model (below). With the interactive model, a viewer can pan, zoom, rotate, and pause/activate the time evolution of movement along orbits. The orbits are shown in a reference frame that removes the overall expansion of the universe. What we are seeing are the deviations from cosmic expansion caused by the interactions of local sources of gravity.
The study, Cosmicflows-3: Cosmography of the Local Void is published in the July 22, 2019 issue of The Astrophysical Journal, and is available online.
Contacts and sources: Dr. Roy Gal. Dr. Brent Tully
University of Hawaii at Manoa
Citation:Cosmicflows-3: Cosmography of the Local Void. R. Brent Tully, Daniel Pomarède, Romain Graziani, Hélène M. Courtois, Yehuda Hoffman, Edward J. Shaya. The Astrophysical Journal, 2019; 880 (1): 24 DOI: 10.3847/1538-4357/ab2597
It is difficult to describe what this weird object may have been; celestial object, UFO or something else that enters the atmosphere?
Linda Miller: On July 15, 2019 I felt compelled to go outside and film the sun gain. I was in the middle of watching the sun go down and when I turned my head and saw this... I thought it might be a plane, I was wrong.
Linda: The colors are the real thing, just adjusted exposure. It is really pretty and weird all at the same time. I have no freakin' idea.
I found this diamond shaped base in a gigapan photo today. The base is located within the 93km Copernicus crater. The diamond structure is a black metallic color and is attached to another longer black metallic structure. There are also lots of lights glowing around these buildings, which makes me believe someone is home. These structures are probably portable, meaning they are ships that landed there and they sit there until they want to leave. It make me wonder what they are doing there? Perhaps mining. Scott C. Waring
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- Gemiddelde waardering: 0/5 - (0 Stemmen) Categorie:ALIEN LIFE, UFO- CRASHES, ABDUCTIONS, MEN IN BLACK, ed ( FR. , NL; E )
Pixie Geldof Reveals Her Encounter with a UFO in Rome
Pixie Geldof Reveals Her Encounter with a UFO in Rome
Singer and model Pixie Geldof claimed to have spotted an extraterrestrial, and she wanted to befriend aliens after the incident. One of the daughters of Bob Geldof was in Rome with a friend when she saw the UFO.
She revealed she had seen strange lights and remembered recently when she was in Rome about two years ago of spotting an odd star next to the moon. She has never seen a star right next to the moon. She and her friend convinced themselves that they had seen a UFO.
Geldof, 28, went on the say that she believed in aliens and she’d try to be friends with them if they were to contact her.
She said that it is insane to believe we’re alone in the universe.
Geldof’s late sister Peaches also took an interest in the unknown and even in Scientology.
India's Chandrayaan-2 mission is now on its way to the moon, but it has a slow journey ahead: The rover and lander won't touch down until early September.
As the Apollo missions the U.S. spent the weekend commemorating prove, it doesn't necessarily have to take seven weeks to land on the moon. But the lander and rover of Chandrayaan-2 were scheduled to touch down Sept. 6 (Sept. 7 local time in mission control) — and that was before the launch was delayed nearly a week.
The slow, round-about route that Chandrayaan-2 will follow to reach the moon reflects the power of the Indian rocket used to launch the spacecraft, called the Geosynchronous Satellite Launch Vehicle Mark-III. That rocket doesn't carry the same amount of thrust as the giant Saturn V rockets that drove NASA's Apollo program — and no surprise, since those U.S. boosters were the most powerful rockets ever built.The Apollo missions were also designed to carry astronauts, while Chandrayaan-2 is a smaller, uncrewed mission.
This Indian Space Research Organisation diagram shows the flight profile of the Chandrayaan-2 spaceraft as they fly to the moon between July and September 2019. Chandrayaan-2 will take about seven weeks to reach the moon.
(Image credit: Indian Space Research Organisation)
India's Chandrayaan-2 orbiter (bottom) and Vikram lander (top with legs) as seen during launch preparations.
(Image credit: India Space Research Organisation)
ISRO's landing site for Chandrayaan-2's Vikram lander is near the south pole of the moon.
(Image credit: Indian Space Research Organisation)
India launched a three-part moon mission called Chandrayaan-2 on July 22, 2019.
(Image credit: Indian Space Research Organisation)
So Chandrayaan-2 was always scheduled to spend a while orbiting Earth before transferring to lunar orbit. After the launch delay last week, engineers at the Indian Space Research Organisation (ISRO), which oversees the mission, adjusted the mission timeline to ensure the landing schedule wouldn't be seriously affected.
Keeping the landing time from slipping too far is important because the lander and rover aren't designed to withstand the bitterly cold lunar nights, which last the equivalent of two weeks here on Earth.
According to the mission's new schedule, Chandrayaan-2 will spend 23 days orbiting Earth, gradually raising its altitude on one side of an elliptical orbit around the planet. Then, in mid-August, it will turn its sights on the moon, completing a series of maneuvers to leave Earth orbit and begin circling the moon.
In order to accommodate the launch delay, Chandrayaan-2 will spend less time orbiting the moon than previously planned, according to the Hindustan Times.
During the first week of September, the Chandrayaan-2 orbiter will release its Vikram lander, which will then descend to the surface, touching down just a bit later than the mission's original timetable called for. If all goes well, a rover called Pragyan, will then be deployed from the lander a few hours later.
When Vikram lander does land, it will do so near the moon's south pole, an area of particular interest to scientists and explorers because of its stash of water ice in permanently shaded craters. Several of the payloads on board both the lander and its companion rover designed to map and analyze this ice.
If Chandrayaan-2's flight and landing go smoothly, India will become the first country to reach the moon's south pole and only the fourth country to successfully land softly on the moon, after the former Soviet Union, United States and China.
A vast cosmic void surrounding our galaxy has been mapped and measured by a team of astronomers to work out its gravitational influence on the Milky Way.
For 30 years astronomers have been trying to work out why the Milky Way, the Andromeda galaxy and their smaller neighbours are expanding faster than the rest of the Universe by over 1.3 million mph (600 km/s).
Experts from the University of Hawaii focused their attentions on a region known at the 'Local Void', estimated to be between 146 and almost a billion light-years wide - and which, they say, is getting bigger.
They found that roughly half of this rapid expansion is caused 'locally' from the combination of a pull from the massive nearby Virgo Cluster and our participation in the expansion of the Local Void as it becomes ever emptier.
Scroll down for video
A vast cosmic void surrounding our galaxy has been mapped and measured by a team of astronomers to work out its gravitational influence on the Milky Way. Pictured: A computer generated 3D image of the Local Void's shape, with the Milky Way found at the centre of the blue, green and red arrows
Experts from the university measured the motions of 18,000 galaxies in the Cosmicflows-3 compendium of galaxy distances.
Using this data, they constructed a cosmographic map that highlights the boundary between the collection of matter and the absence of matter that defines the edge of the Local Void.
They used the same technique in 2014 to identify the full extent of our home supercluster of over one hundred thousand galaxies, giving it the name Laniakea, meaning 'immense heaven' in Hawaiian.
Representations of the void can be seen in the video below and with the interactive model above.
With the interactive model, a viewer can pan, zoom, rotate, and pause/activate the time evolution of movement along orbits.
The orbits are shown in a reference frame that removes the overall expansion of the universe. What we are seeing are the deviations from cosmic expansion caused by the interactions of local sources of gravity.
For 30 years astronomers have been trying to work out why the Milky Way, the Andromeda galaxy and their smaller neighbours are expanding faster than the rest of the Universe by over 1.3 million mph (600 km/s). The Milky Way is located at the centre of the arrows in this image
Experts from the University of Hawaii focused their attentions on a region known at the 'Local Void', estimated to be between 146 and almost a billion light-years wide - and which, they say, is getting bigger. This image shows void areas in our region of space, with our Local Void pictured in black
The universe is a tapestry of galaxy congregations and vast voids. Galaxies not only move with the overall expansion of the universe, they also respond to the gravitational tug of their neighbours and regions with a lot of mass.
As a consequence, relative to the overall expansion of the universe, they are moving towards the densest areas and away from regions with little mass - the voids.
Although we live in a cosmic metropolis, back in 1987 Brent Tully and Richard Fisher noted that our Milky Way galaxy is also at the edge of an extensive empty region that they called the Local Void.
The existence of the Local Void has been widely accepted, but it remained poorly studied because it lies behind the centre of our galaxy and is therefore heavily obscured from our view.
Pictured: A computer simulation showing part of the 'cosmic web' structure that makes up the universe. Blue and white represent galaxies and the darker sections are voids containing very little matter
WHAT IS THE COSMIC WEB OF FILAMENTS THAT THE UNIVERSE IS MADE UP OF?
'Ordinary' matter, which makes up everything we can see, corresponds to only five per cent of the known universe. The rest is made up of so-called 'dark matter.'
For decades, at least half of this regular matter had eluded detection, but scientists have in recent years made the first direct observations of a 'cosmic web' of filaments spanning between galaxies.
These filaments are made up of gas at temperatures between 100,000°C (180,032 °F) and 10 million°C (50 million°F) and the experts believe these structures may account for the 'missing' ordinary matter.
Studies have estimated that around 95 per cent of the universe is made of a mixture of 'dark matter' and 'dark energy', which only makes its presence felt by its gravitational pull, but has never been seen directly.
What is less widely known, however, is that around half of the regular matter is also missing.
In 2015, a team led by University of Geneva scientist Dominique Eckert claimed that these 'missing baryons' - subatomic particles made up of three quarks - were detected because of their X-ray signature in a massive cluster of galaxies known as Abell 2744.
Using the XMM-Newton space telescope, the researchers found matter concentrated into a network of knots and links connected through vast filaments, known as the 'cosmic web'.
Large-scale galaxy surveys have shown that the distribution of ordinary matter in the universe is not homogeneous.
Instead, under the action of gravity, matter is concentrated into so-called filamentary structures, forming a network of knots and links called the 'cosmic web'.
The regions experiencing the highest gravitational force collapse and form the knots of the network, such as Abell 2744.
Researchers focused on Abell 2744 - a massive cluster of galaxies with a complex distribution of dark and luminous matter at its centre - to make their finding.
Comparable to neural networks, these knots then connect to one another through filaments, where the researchers identified the presence of gas, and consequently, the missing ordinary matter thought to make up the universe.
The local void — a vast cosmic structure surrounding our Milky Way galaxy — has been mapped in a new study, suggesting why our galaxy doesn’t travel with the expansion of the universe.
The large-scale structure of the universe is a tapestry of congregations of galaxies and vast voids. Applying same tools from an earlier study, Brent Tully from the University of Hawaii and his international team of astronomers have been able to map the size and shape of an extensive empty region they called the Local Void that borders the Milky Way galaxy.
Shaded grey contours outline the extent of the Local Void, while blue dots show major mass constituents (large galaxies, galaxy groups, and clusters). The curved blue lines show the derived motions of these massive objects, after removing the overall expansion of the universe. The most important galaxy congregations are given special symbols, like the red ball identifying the Virgo Cluster. The dominant pattern of motions revealed by the orbits is a flow away from the Local Void.
(University of Hawaii)
Tully and his team were able to measure the motions of 18,000 galaxies in the Cosmicflows-3 compendium of galaxy distances. This allowed them to build a 3D cosmographic map that highlighting the boundary between the collection of matter and the absence of matter. This boundary defining the edge of the Local Void.
The study gives researchers a good idea of why our galaxy seems to be
The team used the same technique to identify the full extent of our home supercluster of over one hundred thousand galaxies in 2014, giving it the name Laniakea — or “immense heaven” in Hawaiian.
For 30 years, astronomers have been trying to identify why the motions of the Milky Way, our nearest large galaxy neighbour Andromeda, and their smaller neighbours deviate from the overall expansion of the Universe by over 600 km/s (1.3 million mph).
This new study — published in The Astrophysical Journal — shows that roughly half of this motion is generated “locally” from the combination of a pull from the massive nearby Virgo Cluster and our participation in the expansion of the Local Void as it becomes ever emptier.
Studying the local void
Galaxies not only move with the overall expansion of the universe — or the Hubble Flow — but they also respond to the gravitational influence of their neighbours and regions with an abundance of mass.
A smoothed rendition of the structure surrounding the Local Void. Our Milky Way galaxy lies at the origin of the red-green-blue orientation arrows (each 200 million lightyears in length). We are at a boundary between a large, low-density void, and the high-density Virgo cluster.
(University of Hawaii)
As a consequence, relative to the Hubble Flow they are moving towards the densest areas and away from regions with little mass — the voids.
The knowledge that our Milky Way galaxy is at the edge of an extensive empty region that they called the Local Void dates back to research spearheaded by Tully and Richard Fisher in 1987.
Despite the fact that the existence of the Local Void has been widely accepted, it has remained poorly studied until now, because it lies behind the centre of our galaxy. This means it heavily obscured from our view by gas and dust lying in the galaxy’s equatorial plane.
In addition to a video showing the simulations the team created, the astronomers have also provided the public with a resource that enables them to manipulate their view of the local void.
NASA engineers are working on a new family of space robots that can roll, climb, and use artificial intelligence to navigate around obstacles in rough terrains on other worlds. Meet the family, here.
The climbing robot LEMUR rests after scaling a cliff in Death Valley, California in early 2019. The robot uses special gripping technology that has helped lead to a series of new, off-roading robots that can explore other worlds.
From uncovering the first clues of liquid water on Mars to crossing our solar system, NASA’s missions have been adventurous, to say the least. Ranger 3 was NASA’s first attempt to land a rover on the moon in 1962. Since then, numerous robots have followed Ranger 3 from Earth into space. Yet the surfaces of planets and moons in our solar system remain largely unexplored, partly because current space robots haven’t been capable of scaling cliffs, gripping icy surfaces and otherwise conquering hard-to-reach places.
This month (July 10, 2019), NASA’s Jet Propulsion Laboratory described its work on a new family of robots that can roll, climb, and use artificial intelligence (AI) to navigate around obstacles in rough terrains. These robots are currently being tested on Earth and will later be sent to places that are otherwise inaccessible by humans, helping scientists do meaningful science along the way.
A tiny climbing robot rolls up a wall, gripping with fishhooks – technology adapted from LEMUR’s gripping feet.
This new class of space robots will have functionalities inspired by the Limbed Excursion Mechanical Utility Robot (LEMUR), which was originally conceived as a repair robot for the International Space Station. In the video below, NASA describes LEMUR’s last field test, in Death Valley, California, in early 2019. The robot used hundreds of fishhooks to climb walls and AI to avoid obstacles that it could not climb. It also used its suite of scientific instruments to scan the rock for ancient fossils, and, as the video explains, it found some!
A direct application of this LEMUR field test would be searching for biosignatures – substances that provide evidence of life – on the planet Mars, perhaps in lake beds thought to hold signs of Martian life from the distant past.
While the LEMUR itself will not be sent into space, the engineers did adopt much of its AI and structural features into the next generation of robots that will act as our eyes and ears beyond Earth. Each one of them has unique features built into it to tackle harsh conditions and uncertain environments. Keep reading, to meet this new generation of space explorers.
Ice Worm was put to its first field test in the cave walls at Mount St. Helens in August 2018. The robot was belayed with a rope to ensure that it wasn’t damaged if it fell.
Engineers at NASA’s Jet Propulsion Laboratory in Pasadena, California, are developing a robot called Ice Worm in an attempt to navigate slippery surfaces. True to its name, the robot – adapted from a single limb of LEMUR – compacts its body before extending it to move forward. It proceeds an inch at a time by drilling one end of a limb into an icy surface, uses a grip to steady itself, then brings in the second limb to join the first using the same technique.
To move forward, it unscrews one foot, lengthens its body and screws it back into the ice a few meters ahead. Using the pressure sensors that instruct it how hard to drill into the ice, it repeats this over and over again to “inchworm” forward. Ice Worm also uses this method to anchor itself while analyzing the surface beneath to collect material in its legs that can be used to test salinity concentrations for microbial life.
Aaron Parness, an engineer at JPL, has trained Ice Worm in the remote regions of Antarctica, which is the harshest place they could find on Earth. The slippery ice coupled with the harsh environment will prepare the robot for similar conditions on the moons of Jupiter and Saturn. Another set of tests are lined up in glaciers on Mt. Rainier in Seattle. Parness commented:
Field testing shows you things that are hard to learn in the laboratory.
This 1.4-meter (4.6 foot) long robot is also being equipped with pattern recognition and machine learning – aspects of AI that allow it to learn from past mistakes and make optimal decisions. The robot will need to investigate patterns left behind by life in cave formations. In order to do so, it needs to be tiny and mobile enough to scuttle through the cave’s tiny gaps. For this, Parness and his team are working on miniaturized remote sensing and data analysis instruments that Ice Worm can wear like a backpack. Once ready, robots of this kind will be sent to the icy moons of Saturn and Jupiter to bring back samples for further analyses.
While this four-legged robot is also inspired by LEMUR in its size and build, RoboSimian has supple wheels made of music wire in contrast to LEMUR’s gripping ones, thus having greater flexibility on rough terrains. This concept first materialized as a part of the DARPA Robotics Challenge, which promoted robotic technology for disaster-response operations. The robot is built and trained to operate in dangerous environments, so it’s not surprising that RoboSimian – a four-legged robot that can walk, crawl, slide on its belly, and even do cartwheels – will most likely be sent to Saturn’s moon Enceladus. Saltwater oceans are theorized to be present under the icy surface of that distant moon. Its geysers may also contain signs of microbial life.
Nicknamed King Louie after a character in the film “Jungle Book,” RoboSimian is equipped with spectroscopic instruments that could explore Enceladus’ polar regions.
NASA engineers were inspired by gecko feet, such as the one shown here, in designing a gripping system for space. Just as a gecko’s foot has tiny adhesive hairs, so the JPL devices incorporate small structures that work in similar ways.
You can use tape only so many times before the adhesion wears off. Geckos, on the other hand, offer inspiration for glues that stick even after multiple uses. These tiny lizards have hair on their feet that allow them to cling to a wall with ease. Parness and his team designed a robot with similar features – gecko-inspired adhesives – synthetic hair that sticks to any surface.
These grippers can sustain up to 150 Newtons of force and have been tested in simulated microgravityenvironments. The gecko material itself was tested 300,000 times to make sure the stickiness does not wear off. This robot will one day repair satellites, service them, and even snatch space garbage.
Yet another robot inspired by LEMUR, the Underwater Gripper, adopted LEMUR’s 16 fingers and 250 fishhooks to hold on tightly to surfaces and drill into formations. This is particularly useful in environments where there is little to no gravity, especially underwater where the force of the drill could push the robot away.
As of now the robot is working with Nautilus – an underwater research vessel – to collect samples from water that are a mile below the surface. Eventually, it might be sent to explore the surfaces of asteroids and other similar bodies.
A tiny, solar-powered helicopter will accompany the Mars 2020 rover. Arash Kalantari, a JPL engineer, modified LEMUR’s design to build a robot that lands not just horizontally, but also vertically by clinging to rocks like a dragonfly.
MiMi Aung, project manager for the Mars Helicopter at NASA’s Jet Propulsion Laboratory in Pasadena, California, said:
Nobody’s built a Mars Helicopter before, so we are continuously entering new territory.
The Mars Helicopter is expected to reach Mars by February 2021 and will conduct geological assessments on the landing sites, assess natural resources and hazards for future space missions.
Bottom line: A new class of space robots have functionalities inspired by the Limbed Excursion Mechanical Utility Robot (LEMUR). While each design is unique in its abilities, there is one common goal that unites them all: the hunt for life beyond Earth.
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Over mijzelf
Ik ben Pieter, en gebruik soms ook wel de schuilnaam Peter2011.
Ik ben een man en woon in Linter (België) en mijn beroep is Ik ben op rust..
Ik ben geboren op 18/10/1950 en ben nu dus 74 jaar jong.
Mijn hobby's zijn: Ufologie en andere esoterische onderwerpen.
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