Biologen verbijsterd na ontdekking langste ‘kwalsliert’ ooit - HLN.be

Bron: AD.nl

De siphonophorae werd toevallig ontdekt toen een duikboot na onderzoek van een deel van de oceaan en de zeebodem weer op weg was naar boven. 

Lees ook

Derde grote verbleking in vijf jaar tijd voor Australische Great Barrier Reef, en de meest wijdverspreide tot nu toe

Vol verbazing

Op het controleschip aan de oppervlakte kwamen de beelden uit de duikboot binnen, waarna het personeel enthousiast en vol verbazing op beeldschermen in de stuurhut het buitenaards lijkende fenomeen aanschouwde. 

“We werden volledig weggeblazen”, vertelden biologen Nerida Wilson en Lisa Kirkendale naderhand. Met name omdat  siphonophorae meestal ‘maar’ 25 meter lang zijn en min of meer recht. “De buitenste cirkel van deze langzaam en hypnotiserend bewegende vorm was ongeveer 47 meter, dus de totale lengte van het ding was gigantisch.”

Specifieke taken

Elk individu dat onderdeel is van een siphonophorae heeft een specifieke taak  en een op die taak aangepaste vorm. Zo zijn er eet-, vang-, tast- en geslachtsdieren. De prooi van het schepsel bestaat uit kreeftachtigen en vis die door netelcellen worden verlamd en vastgehouden. 

{ https://www.hln.be/ }

10-04-2020 om 22:30 geschreven door peter  

What The Heck Is This Long, Hypnotic Stringy Thing Floating in The Ocean?

TESSA KOUMOUNDOUROS

New footage has revealed a trailing ribbon of conjoined tentacled clones sweeping the ocean off the coast of Australia. Known in some regions as the "long stringy stingy thingy", siphonophores blur the line between organ and organism. They somehow manage to be both at once.

"The whole thing looks like one animal, but it's many thousands of individuals which form an entity on a higher level," marine biologist Stefan Siebert of Brown University told Wired.

The Ningaloo Canyons Expedition, a team of international researchers from institutes including Western Australia Museum, Schmidt Ocean Institute and Scripps Institution of Oceanography, recently came across one of these spectacular deep sea aliens.

They were exploring a little-studied but biologically rich part of the ocean off the coast of Western Australia, using ROVs and sonar. The creature was spied on the way back up:

"Everyone was blown away when it came into view," biologists Nerida Wilson and Lisa Kirkendale from the Western Australian Museum told ScienceAlert. "There was a lot of excitement. People came pouring into the control room from all over the ship. Siphonophores are commonly seen but this one was both large and unusual-looking.

"Although the ROV pilots made an estimate of its length, it has yet to be formally measured. However, it does appear to be longer than any other animal on the planet," they added.

The outer ring was estimated to be around 47 metres long (154 feet). The whole giant thing is composed of tiny individuals called zooids. They clone themselves thousands of times into one of several flavours - some with stinging tentacles and even red lures to attract food, others specialised for reproduction or movement. Each individual acts like an organ in the larger siphonophore body.

Biologist Rebecca Helm from the University of North Carolina Asheville describes the feeding clones on Twitter:

The siphonophore in the video "appears to have assumed a planar feeding posture, which makes it look a bit like a spiral UFO," Wilson and Kirkendale explain.

In a colony this massive, there would have to be at least millions of these conjoined organ-individuals working together, to sift the pelagial depths for food. They share their spoils with each other by passing nutrients along a stem they're all connected to - a vertical branch which also serves as a passageway for nerve signals.

Helm believes there are many millions of these siphonophores floating out there in the ocean, along with other strange creatures they interact with - such as this sea slug (Cephalopyge trematoides) that finds them tasty:

Another memeber of the entourage is this bizarre barreleye fish (Macropinna microstoma). It has a fluid-filled head shield thought to allow them to sneak into stinging tentacled zooids and steal their food.

It's a soothing glimpse of the strange ocean depths that siphonophores call home. And you can check out even more amazing weirdos from the Ningaloo Canyons in the video below.

With so much incredible life hidden away in our planet's oceans, who even needs aliens?

{ https://www.sciencealert.com/ }

10-04-2020 om 22:17 geschreven door peter  

Strange Men In Black, Women in Black and Black Eyed Kid Encounters

COAST TO COAST AM –

Nick Redfern shared the latest information on the sinister Men in Black (MIB), the chilling Women in Black (WIB), the creepy Black-Eyed Children, and the ability of these seemingly multi-dimensional entities to invade our space in a hostile fashion.

The majority of the MIB reports describe encounters with very pale, almost emaciated men with very large eyes that they hide behind wraparound sunglasses. People typically get a knock on the door late at night and feel an odd compulsion to let them in, as though they were hypnotized or mind controlled, which has led to the idea that their visitors might not be entirely human, Redfern detailed.

Other videos by peter2011

{ https://beforeitsnews.com/ }

10-04-2020 om 21:14 geschreven door peter  

Just a few days ago, the production company released the first trailer for the asteroid disaster movie "Greenland" but suddenly the trailer has been removed at the request of the studio and now it's gone everywhere.

Lucky, nwomaster just found one last playable trailer remaining on a German movie site and one illegal re-uploaded to YouTube which has been removed too already. The trailer still can be watched at disclosetv/nwomaster but for how long I don't know.

The story: "They got it all wrong. There's a ton of fragments! Planet killers…" Whoaaa! How about some apocalyptic disaster action to make things even scarier nowadays? The first trailer has debuted for an action movie titled Greenland, the latest from stuntman turned director Ric Roman Waugh (Shot Caller, Angel Has Fallen). The mega disaster in the film involves a comet breaking into pieces, and these pieces striking Earth causing complete devastation.

Talking about a comet breaking into pieces, according to the latest information from astronomers around the world, comet Atlas discovered on December 28, 2019 and it's close approach to Earth on May 23, 2020 might be breaking apart and is starting to fade.

I'm not saying there is a connection between the movie "Greenland" and the comet Atlas but it does make you think...

Comet C/2019 Y4 (ATLAS) captured over 2 hours on April 4, 2020.

CosmoNowa@CosmoNowaMD

Comet C/2019 Y4 (ATLAS) captured over 2 hours yesterday night (04/04/2020). 150x45s subframes with a 6" Newtonian and @zwoasi 183MC Pro.#Astrophotography #Astronomy #CometATLAS #telescope

• 90

4:55 AM - Apr 6, 2020

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{ http://ufosightingshotspot.blogspot.com/ }

10-04-2020 om 20:09 geschreven door peter  

Strange UFO filmed over Lima, Peru 5-Apr-2020

Some kind of disc-shaped UFO was filmed hovering in the night sky above Lima in Peru. This happened on 5th April 2020.

other videos over Lima, peter2011

{ https://www.latest-ufo-sightings.net/ }

10-04-2020 om 19:00 geschreven door peter  

What they discovered was completely unexpected. The dinosaurs are far more similar to modern reptiles than scientists had anticipated.

The reasons why rest on two key findings:

1. The seemingly full skeletons were actually only about 60 percent developed.

2. The dinosaur embryos have two different sets of teeth.

DECEPTIVE DINOSAURS — The embryos “look like the skeleton of an animal ready to hatch,” study co-author Vincent Fernandez, a researcher at the Natural History Museum in London, tells Inverse.

But the bones in the tiny dinos' skulls, which had remained obscured in the rock, suggest otherwise.

"They are a lot younger that we expected,” Fernandez says.

“With the scan we discovered that these bones were there, but poorly ossified," he says. "Comparing with modern reptiles, we estimated that the dinosaur embryos were about 60 percent of incubation."

In modern reptiles and birds, “the pattern in which bones start ossifying is quite similar.” In these creatures, the skull bones start to harden at the tip of the snout. The upper and back part of the skull, also known as the "braincase," is the last piece of the puzzle to ossify, along with some jaw bones.

The findings indicate that these prehistoric herbivores were already using an embryo-development strategy common to modern crocodiles, chickens, turtles, and lizards.

The dinosaur specimens also had two different types of teeth. They range in size from 0.4 to 0.7 millimeters — with one set of tiny, triangular, first-generation teeth.

Crocodiles and certain other modern reptiles have similar first-generation teeth, that they resorb or shed before they even hatch. Now, researchers know that ancient dinosaurs did, too.

The idea that both modern reptiles and ancient dinosaurs might develop similarly is not new, but this is some of the first concrete evidence that modern reptile development is actually prehistoric.

“This development strategy has been around for 190 million years, which is quite surprising," Fernandez says.

A paper detailing the new findings was published Thursday in the journal Scientific Reports.

"BEAUTIFUL" EMBRYOS HELD BIG MYSTERIES — Since their discovery some five decades ago, researchers believed these Massospondylus carinatus embryos had perished just before their eggs hatched.

“These embryos are beautiful, but information that could get obtained from the prepared surface was quite limited,” Fernandez said. To discover whether that was indeed the case, the researchers needed to look below the surface of the fossils' rock.

That’s where the synchrotron scanning came in.

They used high-powered X-ray beams to scan the bones down to the cellular level. That enabled them to recreate the embryos’ 2-centimeter-long skulls as a 3D model, or "virtually extract them from the rock," as Fernandez puts it.

“This is a very special moment, knowing you are the first one to see such a beautiful specimen,” he says. It is a slow process, however. “When you have access to a synchrotron, you have to use the machine day and night for days on.”

The team took turns to do the research, eat, and sleep, Fernandez says. The results are a just reward for their travails. Using the novel technology, the team got the first glimpse inside the eggs, and even identified a third embryo inside the samples.

“Virtual extraction of the bone is a painstaking process,” Fernandez says. Researchers had to extract each bone, one at a time.

The work is testament to how technology can reveal new, granular details of old fossils, Fernandez says. in the future, synchotron scanning could allow researchers to estimate the incubation time of dinosaur embryos, revealing yet more about their early development and how it stacks up to modern reptiles.

The results of such high-level scans are also just visually stunning, Fernandez says.

“I keep being impressed by the level of details we can achieve: We can see these tiny teeth, smaller than the tip of a toothpick,” he says.

“I particularly love when the bones are put back in 3D, and we see the big eye socket of the dinosaur, it really starts looking like a baby.”

Abstract: 

Dinosaur embryos are among the rarest of fossils, yet they provide a unique window into the palaeobiology of these animals. Estimating the developmental stage of dinosaur embryos is hindered by the lack of a quantitative method for age determination, by the scarcity of material, and by the difficulty in visualizing that material. Here we present the results of a broad inquiry, using 3D reconstructions from X-ray computed tomography data, into cranial ossification sequences in extant saurian taxa and in well-preserved embryos of the early branching sauropodomorph dinosaur Massospondylus carinatus. Our findings support deep-time conservation of cranial ossification sequences in saurians including dinosaurs, allowing us to develop a new method for estimating the relative developmental percentage of embryos from that clade. We also observe null-generation teeth in the Massospondylus carinatus embryos which get resorbed or shed before hatching, similar to those of geckos. These lines of evidence allow us to confidently estimate that the Massospondylus carinatus embryos are only approximately 60% through their incubation period, much younger than previously hypothesized. The overall consistency of our results with those of living saurians indicates that they can be generalized to other extinct members of that lineage, and therefore our method provides an independent means of assessing the developmental stage of extinct, in-ovo saurians.

{ https://www.inverse.com/ }

10-04-2020 om 00:58 geschreven door peter  

TO BUILD A MOON BASE, NASA FIRST HAS TO SOLVE A “BIG” COMPUTER PROBLEM

10-04-2020 om 00:22 geschreven door peter  

One of the consequences of what is fast becoming a worldwide shutdown of businesses and travel is that the noise level outdoors has been reduced drastically, to the point where many people are enjoying the quiet. The lack of clatter and shatter is also allowing people to hear more things that they may not have heard before and therefore may not have worried about before, like the mysterious sounds, horns and hums reported in many places around the world. That seems to be the case in Brazil, Slovakia, the U.S. and Argentina where concerned citizens are uploading recordings, sharing their experience, getting advice and often scaring the pants off of others. Are these sounds related? What are they?

“At 2:15 pm, I heard a crash similar to that of a jet crossing the sky or that of an airplane turbine. I heard it twice, and there was nothing in the sky, I didn’t see any planes, despite being cloudy. I commented to a friend who lives in another location, and he said he heard it too.”

The website Otempo in Brazil reports numerous accounts of people hearing a variety of unexplained sounds across the country, including the one above from Belo Horizonte in the state of Minas Gerais in southeastern Brazil. It noted that “Noise in the sky” was trending on Twitter but the Civil Defense website in Belo Horizonte had no mention of the sounds. Local astronomer Bernardo Riedel said there were no reports of meteorites in the area.

“On April 3, 2020, very scary news came from the city of Bratislava, the capital of Slovakia: Usually, there are always a lot of questions with these “trumpet sounds”, since the videos are isolated incidents, but in this case the whole city heard it all.”

At about the same time, the website SoulAsk reported on “trumpet” sounds in Bratislava. In this case, there are multiple YouTube videos of the sounds, which are more like “respirators” than trumpets, according to one witness. (Listen to one here.) With respirators in the news so much lately, that could just be the power of suggestion, but they do sound more like Darth Vader breathing than Miles Davis blowing. One scientific explanation was the shifting of tectonic plates rubbing against the lost microcontinent of Greater Adria underneath Europe, although there were no reports of earthquakes or other seismic disturbances.

“This is something unheard of, I never heard anything like this, it is beyond my capabilities.”

Moving to Olavarría in the province of Buenos Aires, SoulAsk also reports of strange, unexplained sounds of various types, some of which disturbed local dogs. (Listen here.) “Researcher” Mauricio Gorili had no explanation, nor did astronomers or meteorologists. That left it open for sites like “Humanoids in Olavarría” to point to – what else – humanoids.

“We are witnessing “the great migration”, they (the humanoids) have infiltrated us for decades but now they are approaching en masse, the sounds registered in the city of Olavarria correspond to the opening of a portal in which it allows that these beings can invade us in a more crowded way.”

Meanwhile, in the U.S., strange sounds were recorded in Belton, Missouri (listen here), and South Philadelphia, Pennsylvania (listen here), and probably heard in plenty of other places. Some blamed these on the latest villain-of-the-moment – 5G – but there’s no evidence that 5G towers are making any kind of noises at all.

Is it just the sound of construction carrying across the now-quiet landscape?

Those are just some of the latest sounds. The website Strange Sounds has more. Is there some sort of logical or scientific explanation for this wide variety of strange sounds around the world — airplanes, gunshots, plates scraping, construction, factories? Is it just because the noise level is down due to the coronavirus lockdowns, causing stir-crazy, locked-up humans who are going outside for a change to hear things they’ve never been able to before? There doesn’t seem to be a general cause and there are far too many to investigate each one individually, so they’re being ignored or dumped into when-we-get-around-to-it piles, never to be checked out. In the meantime, the general public wants answers or they’ll continue to turn to cover-ups, aliens, apocalyptic predictions and the like.

Will we ever find out? Go outside and listen for yourself. Maybe you will be the one to finally figure it out. If you do, will you tell anyone?

Do you dare?

{ https://mysteriousuniverse.org/ }

09-04-2020 om 23:30 geschreven door peter  

Waarom een (wazige) foto wetenschappelijke doorbraak van het jaar werd en wat we sindsdien leerden over zwarte gaten - HLN.be

Dit is wat we al wisten over zwarte gaten voordat het internationale onderzoeksteam achter het Event Horizon Telescope Project (EHT) de eerste foto op 10 april 2019 onthulde: een zwart gat is een gebied in de astronomische ruimte waar de zwaartekracht zo sterk is dat niets eruit ontsnapt, zelfs geen licht. Er zijn weinig fenomenen zo abstract als een zwart gat, want hoe kan je iets waarnemen dat geen licht uitzendt of terugkaatst?

Messier 87 (M87) is het zwart gat waarvoor uiteindelijk gekozen werd, een monster dat wel 6,5 miljard keer zo zwaar is als onze zon. Het is zo’n 50 tot 55 miljoen lichtjaar van ons verwijderd. Daar een foto van nemen komt neer op het fotograferen van een mosterdzaadje in Washington DC vanuit Brussel, zo zeiden de sterrenkundigen van het EHT-project. Een tweede vergelijking die tot de verbeelding spreekt: vanuit een café in Parijs een krant in New York lezen.

Geen enkele telescoop is geavanceerd genoeg om zo’n foto te maken. Daarom werd het Event Horizon Telescope Project (EHT) opgezet: een internationaal netwerk van acht radiotelescopen op vier continenten en meer dan 200 mensen afkomstig uit minstens 18 landen. Het netwerk van telescopen – die via atoomklokken op elkaar afgestemd waren – was groot genoeg om de radiostraling van M87, het uitverkoren zwart gat, op te pikken. Uiteindelijk werden de verschillende beelden verzameld en laag per laag samengevoegd.

Lees ook

Het hoe en waarom van zwarte gaten (Val er zeker niet in!)

Oranje gloed

Het resultaat? Een foto van een zwarte lege ruimte waar een heldere ring – bestaande uit fotonen (of lichtdeeltjes) die door de sterke zwaartekracht in een baan rondom het gat gedwongen worden – brandt. De foto werd op persconferenties in zes verschillende steden voorgesteld, waaronder ook Brussel. 

De oranje kleur van de ring moet overigens niet te letterlijk worden genomen. Het beeld komt immers voort uit radiosignalen: die hoor je wel, maar zie je niet. De frequenties van de radiosignalen werden door het internationale onderzoeksteam vertaald naar beeldmateriaal. Evengoed was het geen oranje, maar een blauwe gloed geweest. “We kozen voor een oranjeachtige gloed, gezien alles rondom het zwart gat ontzettend warm is”, legt de Amerikaanse astrofysicus Sera Markoff uit. Zij is hoogleraar astrofysica aan de Universiteit van Amsterdam en lid van het Event Horizon Telescope-team.

Hoe dan ook is het onderste gedeelte van de ring een pak helderder dan het overige deel. Daarom besloten de astronomen dat de materie die de radiostraling uitzendt, met een snelheid naar ons toe beweegt. Dat zou betekenen dat het zwarte gat tolt. En Einsteins relativiteitstheorie die het bestaan van zwarte gaten voorspelde, werd andermaal bewezen.

Sterrenverslinders

Een zwart gat is eigenlijk wat overblijft na de explosie van een ster, een ster die zwaarder is dan de zon. Tijdens zo’n explosie produceert de ster eventjes zoveel licht als het hele sterrenstelsel waartoe het behoort. Om daarna voor eeuwig zwart te worden. Daarom werden zwarte gaten voor 1964 ‘bevroren sterren’ genoemd. Verder nog wordt de kern van de explosie zo compact dat een zwart gat ontstaat. Omdat er niets aan de zwarte gaten kan ontsnappen - er kan alleen maar wat invallen – groeien ze doorheen de tijd in massa. Zo werd er in september 2019 nog een ster geregistreerd die door zo’n superzwaar zwart gat aan flarden werd gescheurd.

Zwarte gaten kunnen ontwaken

Het gaat hierboven steeds over M87, een zwart gat in het sterrenbeeld Maagd, 50 miljoen lichtjaar bij ons vandaan. Oorspronkelijk waren er echter twee kandidaten: M87 en Sagittarius A* (Sgr A*), het zwart gat dat zich in het midden van ons sterrenstelsel bevindt en ‘slechts’ 26.000 lichtjaar bij ons vandaan ligt. De astronomen toonden uiteindelijk enkel de foto van Messier 87, met de belofte dat de foto van het zwart gat van ons sterrenstelsel nog zal volgen.

Een tweede foto volgde voorlopig niet, maar wel werd recent bekendgemaakt dat Sgr A* wakker lijkt te worden. Hoewel Sgr A* zich normaal erg rustig gedraagt, zijn de heldere uitbarstingen sinds 2014 toegenomen. Dat stelde een onderzoeksteam van Franse en Belgische wetenschappers. Hoe dat komt, is voorlopig onbekend.

Kleinste zwart gat ooit

M87, het zwart gat dat gekiekt werd, is dan wel 6,5 miljard keer zo zwaar is als onze zon, maar dat is niet altijd geval. Zo werd in november 2019 het kleinste zwart gat ooit ontdekt, slechts 3,3 keer de massa van onze zon met een diameter van 20 kilometer. Dat is ongeveer de grootte van het New Yorkse eiland Manhattan, niets vergeleken met een zwaargewicht als M87.

De ontdekking bewees dat zwarte gaten kleiner kunnen zijn dan voorheen werd gedacht: groter dan neutronensterren en kleiner dan de kleinste zwarte gaten die we tot dan toe kenden. “We hebben mogelijk de eerste van een nieuwe klasse zwarte gaten ontdekt, met zulke lage massa waarvan wetenschappers voorheen het bestaan niet kenden”, aldus astronoom Todd Thompson van Ohio State University. “Die zouden ons veel kunnen leren over hoe zwarte gaten ontstaan: welke sterren imploderen en welke niet, bijvoorbeeld.”

Video's, uitgekozen door peter2011

{ https://www.hln.be/ }

09-04-2020 om 23:03 geschreven door peter  

Unexplained Mysteries: Why Are The Latest UFO Footage Videos Getting Popular?

Unexplained Mysteries: Why Are The Latest UFO Footage Videos Getting Popular?

As you may have noticed, there is a whole new wave of UFO research taking place on the Internet. In the past few years, the UFO community has enjoyed a rebirth as new groups of enthusiasts have formed and had fresh ideas for the way the UFO movement should progress. A lot of this rebirth has resulted from these new groups’ own research efforts and in the last few years more people have been discovering UFO video footage that they never knew existed.

What makes this trend even more fascinating is that many of the most interesting new sightings involve extraterrestrial spacecraft. This trend in UFO research has resulted in some very interesting new videos being released that are getting some very high praise from both the skeptics and the believers. In fact, a whole host of UFO videos that come out of Brazil is already getting attention from serious researchers who don’t think they are replayed from the late 1960s.

Not only are the new UFO footage videos interesting to watch, but they can be used as proof of what the scientists are saying about UFOs. When one considers all of the many theories about UFOs, it’s easy to see why people want to prove them wrong. The majority of UFO videos that have surfaced over the years actually started out with professionals in the field that had no doubt whatsoever that UFOs were real. It’s easy to see how these professional skeptics became interested in UFO footage and turned it into their own evidence that they could use against the UFO believers.

A lot of the new UFO video footage comes from places that have not yet been thoroughly studied, so it’s easy to see how some would argue that all of these clips are simply a bunch of fan fiction. However, since all of these UFO sightings happen in completely foreign places where the locals do not speak English, it’s not hard to see how some of these clips could have gotten out of hand. On the other hand, there are plenty of well-respected scientists that believe that it is possible to come up with fresh UFO footage that has been taken in countries that have been settled by outsiders for centuries. The same goes for the many YouTube clips that include weird alien voices.

All of this new UFO footage might be difficult to believe, but since it’s being taken from places that have never been penetrated by modern technology, it can be taken seriously. Most of the videos that have been made recently were likely filmed on digital cameras or on small handheld video cameras. This does not mean that any of these videos are fake, but that they are all probably closer to real UFO sightings than the majority of UFO enthusiasts think.

Many of the new UFO footage videos have also been accompanied by some very convincing audio sounds. In some cases, when sound is combined with a UFO sighting video, the visual footage often has more impact than the video itself. Many of the best UFO enthusiasts understand that these kinds of effects make the UFO footage appear more real and more believable.

All of the latest videos are being looked at closely by UFO researchers because a lot of the videos are from territories that have never been surveyed or penetrated. As a result, a lot of the new footage is probably old footage that was just sitting around collecting dust before being rediscovered. No one knows for sure if the new footage is legitimate or not, but it certainly seems to have attracted some attention from professional skeptics who have been trying to discredit UFO skeptics for years. It’s hard to tell, but the next few years could see a resurgence in the UFO movement as more people start viewing UFO video footage for the first time.

There is no doubt that there is a lot of hot UFO research happening online, but these videos might just be the tip of the iceberg. With hundreds of new UFO sightings every year, there’s sure to be a lot more UFO footage available for study.

Source: 

• http://footageofufos.com/2020/04/unexplained-mysteries-why-are-the-latest-ufo-footage-videos-getting-popular/

{ https://beforeitsnews.com/ }

09-04-2020 om 21:57 geschreven door peter  

Mysterious Unknown Underwater Crafts and Disappearances of Submarines Reported by Ships Personnel!

Ships personnel have been reporting UFOs at sea for many years which are seemingly being seen in the same locations, such as San Diego. Submarines have also mysteriously disappeared.

Over a period of 100 years, these strange occurrences have been tied in with UFO sightings. Is there something strange going on in these locations?

Presented by Joe Foster Filmed by MUFON MAINLINE

{ https://beforeitsnews.com/ }

09-04-2020 om 21:31 geschreven door peter  

Alien Triangle Flies Over Two Military Bases In England

MARCH 30-31, 1993 …….DEVON/CORNWALL ENGLAND

There was a wave of sightings that occurred on the 30th and 31st of March, 1993. We had several hundred reports that came our way. Many of the witnesses were police. A lot of police in the southwest of the country, in Devon and Cornwall, saw something.

Now, as with all of these big waves of sightings, quite a lot of the reports were fairly mundane, lights in the sky.

But even so, it was quite late at night — most of these reports were between, say, 1:00 and 1:30 in the morning — and because there were police officers on night patrol, you’re dealing with more than average recognition training, and people used to being out and about, and used to seeing lights and other things in the sky.

Repeatedly, I heard the phrase, “This was like nothing I’d ever seen before in my life.” People were genuinely quite spooked by this.

What was generally reported was two lights, flying in a perfect formation, with a third, much fainter light — our old friend the flying triangle, really. The lights were described as being in a triangle formation. It’s difficult to say, of course.

It’s quite possible they could have been three separate things flying in formation, but the impression from talking to witnesses was that this was a triangular craft with lights mounted on the underside, at the edges. The most interesting reports, of course, were the ones which occurred at close distance.

There was a family in Staffordshire who apparently saw this thing so low — and they described it as either triangular or diamond shaped — that they leapt into their car and tried to chase it.

They didn’t succeed, although at one point they thought it was so low that it had actually come down in a field. It wasn’t there when they got to it. They described a low, humming sound, a very low-frequency sound. They said you didn’t just hear this sound, you felt it, like standing in front of a bass speaker.

The really intriguing thing was that this object, whatever it was, then proceeded to fly over two military bases. It was seen by the guard patrol at RAF Cosford, about three or four people, [who] made an instant report of this, obviously because it had flown over their base. They checked radar.

There was nothing on the screens, nothing at all, and there was nothing scheduled to fly. No military or civil aircraft should have been airborne in that area at all.

They phoned the nearby base at RAF Shawbury, about 12 miles away from Cosford. The meteorological officer there took the call. He was a man with about eight years experience of looking into the night sky and then doing the weather report for the next day.

So he knew his way around objects and phenomena. Now, to his absolute amazement, he saw a light in the distance, coming closer and closer. That light eventually resolved itself into a solid structured craft that he saw again flying directly over the base, but at much closer proximity than the guard patrol at Cosford had seen it.

He estimated that the height of the object was no more than 200 feet. Its size, he said, was midway between a C-130 Hercules transport aircraft and a Boeing 747. He heard the low hum, too. He had not spoken to any other witnesses, except the Cosford people, who I don’t think had reported the sound. He reported this low-frequency hum.

Perhaps most disturbingly of all, he reported this thing throwing a beam of light down at the nearby countryside and fields just beyond the perimeter fence at the base. And this light was tracking backwards and forwards, he said to me, “as if it was looking for something.”

The beam of light then retracted, and the craft moved off. It was traveling very slowly, I should say, probably no more than 20 or 30 mph. Then it gained a little bit of height, and then it just shot off to the horizon in little more than a second. Needless to say, that was a description I had come across many times in other UFO reports, the virtual hover to the high-Mach accelerations in an instant.

• NOTE: The above image is CGI.

KEN PFEIFER WORLD UFO PHOTOS AND NEWS

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• http://worldufophotosandnews.org/?p=25788

{ https://beforeitsnews.com/ }

09-04-2020 om 21:07 geschreven door peter  

Triangle UFO Found In Antarctic Island, Proof Of Ancient Aliens, Video, UFO Sighting News.

Date of discovery: April 8, 2020
Location of discovery: Lavoisier Island, Antarctic region
Method used: Google Earth map

I was looking over an island in the Antarctic region when I came across a TR3B craft. The triangle craft has a hump in the middle and a thicker edge with three sides. It looks metallic and its sitting in an area which appears to be the location of an ancient alien base. This craft was revealed after warm years had melted the ice and snow revealing the secret craft below. This is 100% evidence that aliens have lived on Earth long before humanity ever made cites. 
Scott C. Waring 

{ https://www.etdatabase.com/ }

09-04-2020 om 20:01 geschreven door peter  

UFO Fleet Recorded Over Cincinnati, Ohio On 2019, Video, UFO Sighting News.

Date of sighting: Taken 2019, but posted 2020 this week.

Location of sighting: Cincinnati, Ohio, USA

 

A woman recorded a fleet of glowing UFOs over the city of Cincinnati, Ohio last year. The glowing lights baffled the spectators and even the people in the comment section could not explain away these amazing lights. As you see at the center of the video the four lights become three, as the fourth jumps into a new higher position for a few seconds. Remarkable footage of a UFO fleet over Ohio. 

Scott C. Waring

{ https://www.etdatabase.com/ }

09-04-2020 om 19:46 geschreven door peter  

While sitting on the terrace of his house, the witness was filming a plane with a very powerful zoom camera. When he saw the video on the computer he noticed a strange object that rises on the left of the visual field.

It seems to rotate and is quite dark in color. The investigations of C.UFO.M. (centro ufologico mediterraneo in Italy) on this sighting recorded in Rome on April 2015 have made it possible to establish that it is probably not a balloon, nor a satellite and not even an atmospheric probe.

C.UFO.M states: For example, the UFO gives off lights sometimes on the right and other times on the left. The sun comes from the left. It also has a focus similar to that of the plane so they are at an approximately equal distance from the witness.

Rather then a real UFO, it is quite possible that the witness has filmed a secret military craft equipped with the newest technologies similar to the infamous tic tac UFOs.

  

Other videos, peter2011

{ http://ufosightingshotspot.blogspot.com/ }

09-04-2020 om 18:20 geschreven door peter  

Triangle UFO over Akron, Ohio

This UFO video was filmed back in March 2017 but it was just published on MUFON’s website. It happened over Akron, Ohio.

Witness report: 

Triangle shaped craft spotted from porch. I stepped out to smoke March 16th 2017. It was a mildly cold night but completely clear. I noticed a large stationary craft due south west of my residence. The craft appeared completely black like a void. It had 4 constant lights and 2-4 seemingly random flashing orange/red/yellow lights. I watched it for nearly 3 minutes with no changes and it just vanished. The craft made a very low hum almost like current.

see video with this link

https://youtu.be/_-pz2t6oiio

Other triangles above Ohio, Peter2011

{ https://www.latest-ufo-sightings.net/ }

09-04-2020 om 17:45 geschreven door peter  

Astronomers Observe Relativistic Jet from Two Merging Spiral Galaxies

Astronomers using the 8.2-m Subaru Telescope report the first unambiguous detection of a relativistic jet — a beam of charged particles that travels at nearly the speed of light — emerging from two colliding spiral-shaped galaxies.

This artist’s impression illustrates how high-speed jets from supermassive black holes would look.

Image credit: NASA / ESA / Hubble / L. Calçada, ESO.

Jets are the most powerful astrophysical phenomena in the Universe. They can emit more energy into the Universe in one second than our Sun will produce in its entire lifetime. That energy is in the form of radiation, such as intense radio waves, X-rays, and gamma-rays.

Jets were thought to be born from older, elliptical-shaped galaxies with an active galactic nucleus (AGN), which is a super-massive black hole that resides at its center.

Astronomers theorize that the AGNs grow larger by gravitationally drawing in gas and dust through a process called accretion. But not all of this matter gets accreted into the black hole. Some of the particles become accelerated and are spewed outward in narrow beams in the form of jets.

“For the first time, we have found two spiral- or disk-shaped galaxies on path for a collision that have produced a nascent, baby jet that has just started its life at the center of one of the galaxies,” said lead author Dr. Vaidehi Paliya, a researcher with the Deutsches Elektronen Synchrotron (DESY).

Other teams of astronomers have already imaged galactic collisions many times. But Dr. Paliya and colleagues are the first to capture two galaxies merging where there is a fully formed jet pointing at us — albeit, a very young one, and thus not yet bright enough to blind us.

“Typically, a jet emits light that is so powerful we can’t see the galaxy behind it,” said senior author Professor Stefano Marchesi, an astronomer in the INAF — Osservatorio di Astrofisica e Scienza dello Spazio di Bologna.

“It’s like trying to look at an object and someone points a bright flashlight into your eyes. All you can see is the flashlight. This jet is less powerful, so we can actually see the galaxy where it is born.”

“Active galaxies which have jets are usually big, old elliptical galaxies which, according to the models, are formed by the merger of two or more smaller galaxies, so that we think that these mergers are the cause of the activation of the jets,” said co-author Dr. Rubén García-Benito, a researcher at the Instituto de Astrofísica de Andalucía (IAA-CSIC).

“A collision is a very efficient way to make large masses of gas fall to the centre of a galaxy, which feeds the supermassive black hole and can produce the emergence of the jet.”

TXS 2116-077 (seen on the right) collides with another spiral-shaped galaxy of similar mass, creating a relativistic jet in the center of TXS 2116-077.

Image credit: Paliya et al, doi: 10.3847/1538-4357/ab754f.

The team used the Subaru Telescope to capture two galaxies: a Seyfert 1 galaxy called TXS 2116-077 and a Seyfert 2 galaxy of similar mass.

They performed subsequent observations with the Gran Telescopio Canarias and William Herschel Telescope, as well as with NASA’s Chandra X-Ray Observatory.

They believe that the galaxies were colliding for the second time because of the amount of gas seen in the image.

“Eventually, all the gas will be expelled into space, and without gas, a galaxy cannot form stars anymore,” Dr. Ajello said.

“Without gas, the black hole will switch off and the galaxy will lay dormant.”

• The findings were published in the Astrophysical Journal.

_____

Vaidehi S. Paliya et al. 2020. TXS 2116-077: A Gamma-Ray Emitting Relativistic Jet Hosted in a Galaxy Merger. ApJ 892, 133; doi: 10.3847/1538-4357/ab754f

{ http://www.sci-news.com/ }

09-04-2020 om 01:15 geschreven door peter  

This animation shows the daily ozone levels over the Arctic from March 9, 2020, until April 1, 2020.

When you hear about an ozone hole, it’s typically the one that forms over Antarctica each year in southern spring (northern autumn). But since about mid-March 2020, scientists using satellite data have been tracking a “mini” Arctic ozone hole. It’s small compared to Antarctica’s annual hole, but unusually large for the Arctic. Conditions in the air above the Arctic – including powerful westerly winds that trapped cold air in a polar vortex – caused this rare strong reduction of Arctic ozone.

Atmospheric scientist Martin Dameris at the German Aerospace Center in Oberpfaffenhofen, who is tracking 2020’s Arctic ozone hole, was quoted in Nature as saying:

From my point of view, this is the first time you can speak about a real ozone hole in the Arctic.

Those freezing temps in the stratosphere over the Arctic, by the way, follow abnormally warm temperatures in the stratosphere over Antarctica last September and October. NOAA scientists said then that the abnormal warmth in the stratosphere dramatically limited ozone loss, resulting in the smallest Antarctic ozone hole observed since 1982.

Abnormally warm over Antarctica half a year ago. Abnormally cold over the Arctic in recent weeks. Is that a coincidence? Climate is complex, and Earth’s climate is changing, so it’s hard to know.

A comparison of ozone levels over the Arctic in March 2019, and in March 2020.

Image via Nature.

Here’s what scientists do know. They know that small ozone holes have been spotted over the Arctic in previous years, but that 2020’s Arctic ozone depletion is much greater. Diego Loyola of the German Aerospace Center said in a statement from ESA:

The ozone hole we observe over the Arctic this year has a maximum extension of less than 1 million square kilometers (400,000 square miles). This is small compared to the Antarctic hole, which can reach a size of around 20 to 25 million square kilometers (8 to 10 million square miles) with a normal duration of around 3 to 4 months.

Overall, the Arctic’s ozone depletion tends to be significantly less than that over Antarctica. Holes in Earth’s ozone layer above either pole are driven by extreme cold – stratospheric temperatures below -80°C (-112°F) – sunlight, powerful winds and substances such as chlorofluorocarbons (CFCs). As reported in Nature, in 2020, powerful westerly winds flowed around the North Pole. They trapped cold air within a polar vortex. The report in Nature said:

There was more cold air above the Arctic than in any winter recorded since 1979.

ESA said:

By the end of the polar winter, the first sunlight over the North Pole initiated this unusually strong ozone depletion – causing the hole to form. However, its size is still small compared to what can usually be observed in the southern hemisphere.

Diego Loyola said:

Since March 14, the ozone columns over the Arctic have decreased to what is normally considered ‘ozone hole levels,’ which are less than 220 Dobson units. We expect the hole to close again during mid-April 2020.

ESA also explained:

The ozone layer is a natural, protective layer of gas in the stratosphere that shields life from the sun’s harmful ultraviolet radiation – which is associated with skin cancer and cataracts, as well as other environmental issues.

In the 2018 Scientific Assessment of Ozone Depletion, data shows that the ozone layer in parts of the stratosphere has recovered at a rate of 1-3% per decade since 2000. At these projected rates, the Northern Hemisphere and mid-latitude ozone is predicted to recover by around 2030, followed by the Southern Hemisphere around 2050, and polar regions by 2060.

This timelapse image shows the launch of a weather balloon at Earth’s South Pole in the southern spring (northern autumn) of 2019. Balloons like this one can carry ozone-measuring sondes that directly sample ozone levels vertically through the atmosphere. In the Arctic, weather balloons like this one are launched from observing stations in various places, including the Polarstern icebreaker, which is frozen in sea ice for a year-long expedition. Other scientists monitor Earth’s ozone hole from space via satellites.

Image via NOAA.

• Bottom line: The “ozone hole” commonly referenced is the hole over Antarctica that forms each southern spring (northern autumn). But beginning around mid-March 2020, satellite data revealed that ozone concentrations over the northern polar regions have plummeted, causing a “mini-hole” in the ozone layer over the Arctic.
• Via ESA
• Via Nature

{ https://earthsky.org/ }

09-04-2020 om 00:47 geschreven door peter  

Event Horizon Telescope spots weird black-hole jet mystery inside quasar

09-04-2020 om 00:23 geschreven door peter  

Could Mars samples brought to Earth pose a threat to our planet? What the coronavirus (and 'Andromeda Strain') can teach us.

Overview of the NASA/European Space Agency Mars Sample Return mission as now foreseen.

(Image: © ESA/K. Oldenburg)

Hauling back the goods from the Red Planet resonates in some ways as a replay of Michael Crichton's 1969 novel "The Andromeda Strain," which dramatized the idea of alien organisms infecting Earth.

In the book, which was made into a film in 1971, alien germs are brought to Earth by a "Project Scoop" satellite. An elite team of secretive first responders, clad in protective hazmat suits, studies and battles the bug within a hush-hush, high-tech underground facility named Wildfire.

Will this scenario forever remain science fiction, or could it actually happen in real life? And does the ongoing coronavirus pandemic hold any clues about how to handle samples brought to Earth from Mars, a place that could potentially host extraterrestrial microbes?

Stringent containment

The public certainly should pay more attention to plans for Mars Sample Return, said Cassie Conley, a former NASA Planetary Protection Officer.

"Since the beginning of space exploration, planetary protection has mandated that samples from Mars should be considered 'Restricted Earth Return,' Conley told Space.com. "This requires the most stringent containment to protect both the samples and the Earth."

However, NASA's Mars program has recently discussed lowering the planetary protection category for much of Mars' surface to Category II, which would eliminate any requirement for oversight or containment of samples returned from parts of Mars, Conley said.

"We really don't understand Earth biology very well and certainly don't know that much about Mars," Conley said. "So, it's premature to conclude there are no Martian biohazards."

Conley said that "the current pandemic demonstrates, tragically well, how overconfidence and short-term perspectives can cause catastrophic harm to people all over the Earth."

• Related: The boldest Mars missions in history

Molecular locks and keys

"It seems to me that public interest in Mars Sample Return safety issues would likely be sharpened by experiences of the COVID-19 pandemic," said J. Andy Spry, a senior scientist at the SETI (Search for Extraterrestrial Intelligence) Institute in California and a NASA planetary protection consultant.

This would hopefully occur "in the same way that the SARS epidemic sharpened the responses of many Asian countries to the COVID-19 hazard," Spry said. "That is, by allowing decision-makers to develop appropriate and timely responses to a microbial pathogen threat."

That said, Spry added, such pathogens usually develop by coexisting with life on Earth, with highly specialized outbreak adaptations as part of an ongoing host-pathogen interaction. 

"We can think of pathogenicity as molecular locks and keys which are virtually impossible to develop without repeated contact," Spry said. "Thus, it is extremely unlikely for a biological entity evolving and adapting in an extraterrestrial environment to be able to take advantage of lifeforms on Earth.

Containment facility

While major spacefaring nations share a common perspective on containment of Martian material returned to Earth by a spacecraft, Spry also underscored the international Committee on Space Research (COSPAR) policy language that "no uncontained hardware that contacted Mars, directly or indirectly, shall be returned to Earth." However, implementation details — including those for a containment facility — have yet to be fully worked out, he said.

"This is only because the details of the current Mars sample return mission architecture are still being studied and refined by NASA and the European Space Agency right now," Spry told Space.com. "In the latest scheduling, we are still some 15 years from samples actually being returned to the Earth-moon system, which is still timely in terms of getting containment facility work done."

First things first

Astrobiologist Dirk Schulze-Makuch at Washington State University has been a longtime advocate for having an on-the-spot life-detection mission on Mars first, before attempting sample return.

"We do have the technology to do so. That way we would also have a better idea what we might bring back," he told Space.com. (Perseverance, which will launch this summer, will hunt for signs of Mars life on the Red Planet's surface. But the rover will look for evidence of ancient, not extant, organisms.)

Schulze-Makuch said that a retrieval facility would have to have a high biosafety level, just in case. The chance that any life from Mars would be in any way harmful to us or Earth's biosphere at large is extremely low, he said. He thinks that chance is lower than 1%, but it cannot be totally excluded.

"So, I think the public and planetary protection guidelines would warrant a high biosafety level retrieval facility (3 or, better, 4), which, of course, has a very high price tag as well," Schulze-Makuch said. "And since samples can only be brought back once such a facility is in operation, it will also delay the schedule until we can bring samples back. And if so, we should bring rather 'fresh' samples back, not samples that have been in a box on Mars for years — as is the plan right now."

Heated discussion

One thing to keep in mind, Schulze-Makuch said, is that Earth has already gotten Mars samples — lots of them, in fact, over the eons. Many Mars meteorites have landed on Earth, after all, potentially bringing Martian microbes — if they exist — to our planet.

"Studies have shown that the interior, for example, of Mars rock ALH84001 was never heated above 40 degrees Celsius [104 degrees Fahrenheit], and if there would have been (dormant) microbes in it, they would likely have survived the journey from Mars to Earth," Schulze-Makuch said.

And, of course, there is a heated discussion about whether some Martian meteorites — most notably, ALH84001 — contain evidence of Martian microbial life. 

"Either way, the point is that there is also a natural 'mechanism' to bring potentially Martian life to Earth … and if that didn't have detrimental consequences for life in the past, it is unlikely that it will have those in the future," Schulze-Makuch said. "But again, we have to admit that the risk is not zero." 

• Mars sample return: scientists debate how to bring Red Planet rocks to Earth
• The 7 biggest mysteries of Mars
• Why we can't depend on robots to find life on Mars

Leonard David is the author of the book "Moon Rush: The New Space Race," published by National Geographic in May 2019. A longtime writer for Space.com, David has been reporting on the space industry for more than five decades. Follow us on Twitter @Spacedotcom or Facebook. 

{ https://www.space.com/ }

08-04-2020 om 23:57 geschreven door peter