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.
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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!!!
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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 In België had je vooral BUFON of het Belgisch UFO-Netwerk, dat zich met UFO's bezighoudt. BEZOEK DUS ZEKER VOOR ALLE OBJECTIEVE INFORMATIE , enkel nog beschikbaar via Facebook en deze blog.
Verder heb je ook het Belgisch-Ufo-meldpunt en Caelestia, die prachtig, doch ZEER kritisch werk leveren, ja soms zelfs héél sceptisch...
Voor Nederland kan je de mooie site www.ufowijzer.nl bezoeken van Paul Harmans. Een mooie site met veel informatie en artikels.
MUFON of het Mutual UFO Network Inc is een Amerikaanse UFO-vereniging met afdelingen in alle USA-staten en diverse landen.
MUFON's mission is the analytical and scientific investigation of the UFO- Phenomenon for the benefit of humanity...
Je kan ook hun site bekijken onder www.mufon.com.
Ze geven een maandelijks tijdschrift uit, namelijk The MUFON UFO-Journal.
Since 02/01/2020 is Pieter ex-president (=voorzitter) of BUFON, but also ex-National Director MUFON / Flanders and the Netherlands. We work together with the French MUFON Reseau MUFON/EUROP.
ER IS EEN NIEUWE GROEPERING DIE ZICH BUFON NOEMT, MAAR DIE HEBBEN NIETS MET ONZE GROEP TE MAKEN. DEZE COLLEGA'S GEBRUIKEN DE NAAM BUFON VOOR HUN SITE... Ik wens hen veel succes met de verdere uitbouw van hun groep. Zij kunnen de naam BUFON wel geregistreerd hebben, maar het rijke verleden van BUFON kunnen ze niet wegnemen...
21-05-2015
US military’s plans for flying saucers explained in declassified documents
US military’s plans for flying saucers explained in declassified documents
US military’s plans for flying saucers explained in declassified documents
Newly released diagrams show scale of the future that never was after air force cancelled funding for wobbly disc-shaped craft
A US military illustration from Project 1794 strongly resembles a flying saucer. Photograph: national archives
These days, flying saucers are most commonly associated with sci-fi films and conspiracy theories, but in the 1950s, some saw them as the future of aviation.
Details of the proposed craft have been around for years. But the declassified papers include new diagrams and documents that demonstrate the scale of the project’s ambition.
The US air force contracted the work to a now-defunct Canadian company, Avro. In one document, Avro envisaged a “top speed potential between Mach 3 and Mach 4, a ceiling of over 100,000ft and a maximum range with allowances of about 1,000 nautical miles”. That would have sent the flying saucer spinning into the Earth’s stratosphere.
Language in a report labelled “final development summary” was optimistic: “It is concluded that the stabilization and control of the aircraft in the manner proposed – the propulsive jets are used to control the aircraft – is feasible and the aircraft can be designed to have satisfactory handling through the whole flight range from ground cushion take-off to supersonic flight at very high altitude.”
Such lofty ambitions were never achieved; video footage of other disc-shaped crafts constructed by Avro show a machine wobbling uncertainly around 3ft off the ground.
The cost for the endeavour is listed as $3,168,000, which Wired estimates at $26.6m in today’s money.
Sadly, the project was cancelled and the craft were never built.
Hurrah! Stick some wings on your tank and watch it fly. Apparently “initial tests were successful“, but clearly flying tanks did not become the ‘terrible machine of destruction’ envisaged in the 1930s. More robust aeroplanes meant tanks were placed inside aircraft, rather than strapped underneath.
Massive ‘gas-shooting’ riot car
Apparently this vehicle was designed to control crowds ”and put a stop to riots at any cost”. The concept, which was patented by a Brooklyn based-company, would have spurted poisonous gas at any ne’er-do-wells, or alternatively soaked them with water. Or just shot them with machine guns. Options.
Bell rocket belt
After it was built for the US army in the 1960s, John F Kennedy was treated to a rocket-belt display in October 1961. The device used hydrogen peroxide as fuel – the belt-wearer was advised to wear insulating trousers – and could carry a man over 9m high obstacles at speeds of up to 10mph. Unfortunately it could only do so for about 20 seconds, and it was not put into widespread use by the military.
Unidentified submerged objects (USOs) are not as famous as UFOs although they are often encountered, according to declassified Russian Navy records. The common trait of all USO phenomena is that they involve unexplained and technologically advanced objects, far superior to anything we’ve ever built.
The recently declassified documents contain Soviet era reports detailing many cases of possible USO encounters. Former naval officer and Russian UFO researcher Vladimir Azhazha believes these documents are of great value. One of the most interesting cases he examined involved a nuclear submarine on a combat mission in the Southern Pacific. During the routine operation, the submarine detected six unknown objects traveling in formation at speeds in excess of 230 knots (265+ mph). In comparison, the fastest submarine was the Soviet K-222, which reached about 44 knots (51 mph).
The submarine’s sonar determined the objects were heading straight for it so the captain gave the order to surface. The USOs followed them to the surface then flew away. Similar instances have been reported in the region of the Bermuda Triangle, as retired submarine commander Yuri Beketov recalls. On-board instruments often malfunctioned, indicating the presence of strong interference. Many believe this is a clear sign of USO/UFO presence.
A still image taken from YouTube shows a mysterious bright object flying over the Calbuco volcano near Chile
YouTube
An unidentified flying object was spotted hovering near the erupting Calbuco volcano of Chile sparking UFO sighting rumours all over again.
The suspected UFO was captured by a woman on her camera when she was trying to videograph the volcano that erupted on 22 April after more than 42 years.
The supposed alien craft with flashing twin lights was spotted in the sky amidst the clouds of dust and ash. However, moments later the flying object disappeared into the thick fiery sky.
After the video was uploaded on YouTube on 23 April by a user named Ana Luisa Cid, it has gone viral and has garnered more than 288,000 views.
Open Mind UFO says that the video uploader Ana Luisa has pointed out that some have suggested the bright object might be a drone or helicopter which is trying to capture the aerial footage of the volcano.
However, she points out, “What is striking, in my opinion, is that the object remained static, then vanished. Optical illusion?”
Nearly 4,000 local residents were forced to evacuate as ash and smoke engulfed the sky.
Meanwhile, TVN, Chile’s state-owned television network, has posted an aerial shot of the volcano eruption and there are chances that the supposed UFO is nothing but a helicopter.
Watch the video below.
Chile news channel T13 has also posted a story on 23 April about a “pilot who was mistaken for a UFO.” They have also interviewed the pilot who was allegedly flying over the Calbuco volcano trying to take aerial shots.
HUMMING FLYING SAUCER SPOTTED IN MICHIGAN MAY 19, 2015 ………… EATON RAPIDS MICHIGAN
At 4:00 am my dog woke me up at this unusual time for her to go outside. I went out and looked up to notice a flying saucer object with moving red and white lights. I rubbed my eyes in disbelief looked up again to see that it was there. I watched as it was approximately 100 feet above the tree lines moving about 25 mph NW for about 5 minutes before it was out of my view. There were red lights underneath on the outside then next to it were white lights; the lights were moving slowly in a pattern. The dog did not bark as she was looking around the ground sniffing. The craft was making a loud but soft humming noise that almost sounded like a loud fan from an aircraft. The sound got louder and hummed fast for a few seconds, then went to a soft hum and slowly for a few seconds.
It did this the whole time. The craft itself seemed to be about 100 ft. circumference. It was a clear night with lots of beautiful stars. I had never seen anything like this before and I was not afraid, but just mesmerized. I will NEVER forget the noise or the visual observation of this craft.
Forbes Magazine heeft NASA-gegevens gepubliceerd waaruit blijkt dat het poolijs, in tegenstelling tot wat veel alarmisten zeggen, niet smelt. James Taylor onthult dat er in vergelijking met het jaar 1979, toen de metingen begonnen, meer poolijs is.
Taylor merkt op dat de media nagenoeg geen aandacht hebben besteed aan de nieuwste gegevens. De ijskappen zijn niet gekrompen; sinds het eind van 2012 ligt de hoeveelheid poolijs grotendeels boven het gemiddelde na 1979. De gegevens staan haaks op één van de meest gehoorde claims van klimaatalarmisten, namelijk dat global warming ervoor zorgt dat het poolijs smelt.
Satellietgegevens van de NASA laten zien dat de poolkappen tot halverwege het vorige decennium net zo groot bleven als rond het jaar 1979. Begin 2005 nam de hoeveelheid ijs enkele jaren af. Tegen 2012 was er in vergelijking met 1979 ongeveer 10 procent minder zeeijs. De totale hoeveelheid poolijs was echter veel minder afgenomen, maar voor alarmisten is de afname van zeeijs hét bewijs voor een op handen zijnde klimaatcrisis.
Een afname van 10 procent is niet vreemd omdat het jaar 1979, toen de metingen begonnen, het einde markeerde van een koelere periode. Toch blijven klimaatalarmisten en de volgzame nieuwsmedia erop hameren dat er een catastrofe dreigt, schrijft Taylor. Al Gore voorspelde zelfs dat de Noordpool in 2014 geheel ijsvrij zou zijn.
De nieuwste gegevens laten zien dat er ongeveer vijf procent meer poolijs is in vergelijking met het gemiddelde van na 1979. Tijdens de lichte afname tussen 2005 en 2012 werden we door de media gebombardeerd met berichten over smeltende ijskappen, aldus Taylor. Hoor je ze nu net zo hard roepen dat het poolijs zich weer herstelt?
Wat gaan de Chinezen aantreffen op de achterkant van de maan?
Wat gaan de Chinezen aantreffen op de achterkant van de maan?
Het ambitieuze Chinese ruimtevaartprogramma aast op een wereldwijde primeur: de eerste landing op de achterkant van de maan. Dat meldt het Russische persbureau Sputnik (Ria Novosti) op gezag van de Chinese staatstelevisie (CCTV).
Het gaat om de missie Chang’e-4, waarbij een robotjeep op de achterkant van de maan moet landen. “We praten nu over de landingsplaats voor Chang’e-4,” zei hoofdingenieur Wu Weiren van het Chinese maanprogramma tegen CCTV. “We zullen waarschijnlijk een plaats kiezen die moeilijker is om er te landen en die technisch uitdagender is. Andere landen hebben ervoor gekozen op deze [naar de aarde gerichte] kant van de maan te landen. Onze stap zal waarschijnlijk zijn een ruimtetuig aan de andere kant van de maan te landen.”
De missie is een vervolg op de in 2013 gelanceerde Chang’e-3, waarbij een Chinese robotjeep op het maanoppervlak is geland en daar heeft gewerkt. De Chang’e-4 staat voor het jaar 2020 gepland. In 2017 wil China de Chang’e-5 naar de maan sturen om bodemmonsters te verzamelen.
Foto’s van de achterkant van de maan, die door de Britse rockband Pink Floyd bekendstaat als de ‘Dark Side of the Moon’, zijn er wel, maar er is voor de rest nog vrij weinig over bekend.
VIDEO: Bizarre 'trompetgeluiden' uit de lucht overal ter wereld waargenomen
VIDEO: Bizarre ‘trompetgeluiden’ uit de lucht overal ter wereld waargenomen
Mensen van over de hele wereld zeggen vreemde trompetgeluiden te horen die uit de lucht lijken te komen. Niemand kan met zekerheid zeggen wat de bron van de geluiden is. Op YouTube staan filmpjes met de ‘apocalyptische’ geluiden. Een aantal van deze filmpjes komen uit Canada, Australië, Duitsland en de Verenigde Staten.
In een filmpje uit Duitsland van afgelopen maand staat een kind aan de grond genageld door het onheilspellende geluid uit de lucht.
Kimberley Wookey uit Canada schreef op de filmpjessite: “Dit is al de tweede keer dat ik deze geluiden zelf heb gehoord hier in Terrace, British Columbia. De eerste keer was op 19 juni 2013 rond 09.00-09.30 uur. Maar die keer was minder heftig.” Ze voegde toe dat de geluiden volgens haar niets te maken hebben met religie, aliens, treinverkeer of bouwwerkzaamheden. Ze neigt meer in de richting van een geofysisch fenomeen.
Volgens de NASA gaat het om achtergrondgeluiden van de aarde. “Als mensen antennes zouden hebben in plaats van oren, zouden we een opzienbarende symfonie van vreemde geluiden afkomstig van onze eigen planeet horen,” aldus een woordvoerder. “Ze doen denken aan de achtergrondmuziek van een sciencefictionfilm, maar het is geen sciencefiction. De natuurlijke radiogolven van de aarde bestaan echt en zijn constant rondom ons aanwezig, ook al zijn we ons er meestal niet van bewust.”
Een komeet die er niet uitziet als een komeet, waarop vreemde constructies te zien zijn én een UFO en waar ESA miljarden aan spendeert om hem van dichtbij te kunnen bekijken.
Dan gaat het over object 67P waar nu nóg iets heel merkwaardigs op is ontdekt.
We hebben eerder al uitgebreid geschreven over de vreemde komeet waarop dingen te zien zijn die er eigenlijk niet thuishoren. Althans, niet via de reguliere kennis die erover wordt vrijgegeven.
Niet alleen zijn er zo’n twintig jaar geleden klaarblijkelijk radiosignalen opgevangen die werden uitgezonden vanaf deze komeet, maar ook is er een soort vreemde toren zichtbaar en worden er duidelijk UFO’s gesignaleerd.
Bovendien schijnt hij van koers veranderd te zijn.
“Rosetta is een ruimtesonde die wordt gefinancierd door de ESA. Zij zal zich in 2014 in een baan om de komeet 67P/Churyumov-Gerasimenko plaatsen en deze bestuderen.
De sonde Rosetta kwam op 6 augustus aan bij de komeet 67P. Zij aan zij vliegen ze richting de zon. Dat is nooit eerder gedaan. De verkenner Philae moet het komende jaar onder meer gaan boren in het oppervlak, om vast te stellen waaruit de komeet bestaat.”
Nu is er een bericht dat de Rosetta opnames heeft gemaakt van een heel vreemd uitziende formatie stenen:
Eén van de stenen, een enorme rots met een diameter van zo’n 30 meter lijkt op een vreemde manier te balanceren op de komeet.
De wetenschappers van ESA hebben geen flauw benul hoe die grote stenen daar terechtgekomen zijn. Net zo min als dat ze een verklaring hebben voor de vreemde toren, de UFO’s en de radiosignalen.
We hadden uiteraard niet anders verwacht dan deze voorspelbare reactie.
Na de fel gekleurde UFO’s in Rio de Janeiro zijn er door een trouwe lezer (dank!) ook meerkleurige UFO’s gefotografeerd boven België.
In Nederland ineens allemaal mainstream aandacht voor een onbekend object boven Groningen. Iets dat uit een donkere wolk lijkt te komen.
Patrick van de website Above our Heads blijft ons verbazen met bijzondere opnames. Hij is ongetwijfeld één van die mensen die het voorrecht heeft dat waar hij ook kijkt in de lucht er wel iets merkwaardigs te zien is.
Zo ook nu, hij schreef het volgende:
Beste Niburu,
Gisteren, dinsdag 19 mei publiceerden jullie over de opzienbarende “Massale UFO invasie boven Rio de Janeiro”.
Zondagnamiddag stond een prachtige zon met een Parhelium (regenboogformaties) boven het Provinciale domein - Het Leen - nabij Eeklo te schitteren. Dit kon ik niet nalaten in- en uitzoomend te fotograferen. Maandag, bij het bekijken van de beelden ontdekte ik op één van de ingezoomde foto’s drie mooi gevormde kleurenbollen tussen de wolken.
Deze waarneming doet zich voor op één van twee opeenvolgend gemaakte opnames. Ik onderzocht het gebeuren op ballonnen en lensflare maar kan deze hier niet aan relateren.
Ook bekeek ik de drie bollen naar hun kleurenspectrum en zie in volgorde geen ROGGBIV (regenboogkleuren) of RGB (CCD - kleurmodel) reeks. De bollen gaan in volgorde GRB, groen- rood- blauw!
Weliswaar gaat het hier niet om een lightshow als boven Rio de Janeiro, maar wel om een stille en uitnodigende aanwezigheid.
In eigen land schreef gisteren alles en iedereen over een bijzondere foto die iemand in Groningen had genomen.
Zelfs de Telegraaf kwam met de kop Ufo boven Groningen. Eigenlijk is dat wel merkwaardig want er worden ongeveer iedere dag UFO’s waargenomen door mensen en bijna nooit of zelden wordt daar iets over gepubliceerd.
Het gaat hier om een foto gemaakt door de Groninger Harry Perton.
Een merkwaardig uitziend object, dat zo op het eerste gezicht geen bekende gelijkenis vertoont met andere UFO waarnemingen.
Wat wel interessant is, is dat het uit een donkere wolk lijkt te komen. Enigszins vergelijkbaar met de dimensieportalen waar wij eerder over hebben geschreven.
Zeker ook gezien de reactie van een lezer (dank!) naar aanleiding van de berichten uit Groningen:
Ik las net dit berichtje en moest gelijk aan vorig week denken. Ik zat met mijn man in de auto en kijk dan vrij vaak richting lucht en dit keer links van de zon.
Een normale lucht met wolken en ineens zag ik in een deel lucht een lichtflits, kort en fel.
Ik kon het niet plaatsen, zei het ook tegen mijn man en verder waren er geen gaten in de wolken waar even een lichtstraal door heen kon piepen. verder heb ik hier geen aandacht aan geschonken wel nog goed opgelet maar we waren al weer bijna thuis. maar ik kreeg dus net dit bericht hierboven onder ogen, en dit lijkt er toch wel wat op.. ik heb alleen geen foto gemaakt en hij dus wel.
Er staat helaas geen datum bij zijn bericht, ik ben zelf in mijn geheugen aan het graven wanneer we daar hebben gereden .. maar het was vorige week.
Wereldwijd lijkt er ook geen einde te komen aan meer of minder spectaculaire vertoningen van vreemde objecten in de lucht.
Hieronder een tweetal samenvattingen van een aantal van die waarnemingen de afgelopen weken.
Former Obama Pilot Says Virtually All Pilots Believe In UFOs
Former Obama Pilot Says Virtually All Pilots Believe In UFOs
Original article air date: April 13, 2015
Veteran pilot Andrew Danziger, who have 28 years of experience in the cockpit, claims to have spotted unidentified white disc hovering in the sky while on a routine flight across America. Danziger, who flew US Barack Obama in 2008 campaign tour, further asserts that virtually all pilots believe in UFOs.
The American pilot says he encountered a white disc floating through the sky during his flight in April 1989 between Kansas and Iowa. He reportedly saw the mysterious aerial disc transformed into a giant red ball and glowed for approximately 30 seconds before completely disappeared into the clouds.
Danziger says that the captain also witnessed the UFO for around 40 minutes before it started to change colour and vanished.
According to Danziger, the UFO looked the same to the moon faintly visible through the thin fog. He says that they had no idea about what they had saw, but certain it was not from here.
When Danziger shared their sighting to other pilots, he was amazed to know that many pilots often saw UFOs while traversing the skies.
Danziger reveals that they were not supposed to talk about UFOs, so they swore the station agent on duty to secrecy and agreed to remain silent about their incident to any of their co-workers.
But the veteran pilot is confident that he is not the only one in his profession to have witnessed an unexplained flying object in the skies. He reiterates that virtually all pilots believe in UFOs.
21st May 2015 Update:
Obama pilot details UFO sighting in interview with Fox News
Does life exist beyond earth? It remains one of space's greatest unsolved mysteries. Photo: ABC file
It remains one of space's greatest unsolved mysteries; does intelligent life exist beyond Earth?
While there have been numerous UFO sightings to suggest the existence of aliens, we are yet to find any conclusive proof that we are not alone in this vast universe.
If you're skeptical of extra-terrestrial life and need further convincing evidence, we suggest you check out the following videos of some bizarre UFO encounters.
An airline passenger recently captured footage of strange UFO orbs over Atlanta, Georgia, USA.
An apparent triangular UFO was caught on camera over York, England. What do you think it could possibly be? Something real, or was editing work involved?
A passenger aboard a commercial airliner recorded footage of an apparent unidentified flying object over Iran. Have you ever witnessed any strange sights from the window of an aircraft?
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20-05-2015
What These Archaeologists Found All Over The World Is Deeply Disturbing. And Yes, It’s Real.
What These Archaeologists Found All Over The World Is Deeply Disturbing. And Yes, It’s Real.
May 20, 2015 - Over the course of human history, societal sensibilities have changed quite a bit. For example, apparently 8,000 years ago having a stake driven through your noggin was not much more than a bad case of the Mondays. Thanks to the work of archeologists, we are now discovering just how horrifying life used to be. By the end of this list, you’ll be glad you don’t live thousands of years in the past because it looks seriously messed up.
1. Babies In The Bathhouse
Researchers on a dig in Israel were combing through the structures of an Ancient Roman/Byzantine bathhouse. The building was fitted with a sewage system for drainage purposes, but what they found there was disturbing. In the pipes were the bones of hundreds of babies. Why the infants were placed there remains unknown.
2. Neandethal Cannibal Attack
Though neanderthals are separate from humans, they’re close enough to make this list. In 2010, archeologists in Spain discovered the remains of a cannibal feast. Three adult females, three adult males, three teenagers, two young children and an infant showed indications that they were the lunch of another group of neanderthals. Yikes.
3. The Headless Vikings of Dorset
Railroad workers in Dorset, England were in the midst of a regular day when they came upon a burial of sorts. The bones of a small contingent of fighting-age Scandinavian men had been placed together and each one was missing his head. Experts surmise the men may have been executed for some sort of defection.
4. The Claw of the Mount Owen Moa
In 1986, a expedition into the cave systems of Mount Owen in New Zealand came upon a well preserved limb. It was the foot of what looked like a recently deceased bird. In actuality it wasn’t very recent. This specimen was from a prehistoric creature called the Upland Moa which will now haunt my dreams for the foreseeable future.
5. Spike To The Skull
In the process of excavating a lakebed in Motala, Sweden, archeologists were surprised to find several skulls that had spikes driven through them. Others also had the pieces of other skulls placed inside them. This horriyfing scene likely occurred around 8,000 years ago.
6. The Grauballe Man
Though mummies in marshes and bogs are not entirely unique discoveries, this man’s story was special in how well it was told by the information in and around his remains. The large slash on his necks suggests his death was the result of a sacrifice – likely in the name of a healthy harvest.
7. Venetian Vampire Vs. Brick
While seemingly a silly solution when compared to a wooden stake or garlic, this method of vampire prevention wasn’t so odd hundreds of years ago. The brick and cement placed in this person’s mouth were believed to prevent its ability to rise from the dead and bite much of anything. Terrible, but effective.
8. The Oldest Leper
Lepers have never really gotten much slack throughout history, despite the disease not being very contagious. But the first known instance of its stigma comes in the form of a skeleton from about 4,000 years ago. The Indian man’s body is largely intact, despite Hindu tradition calling for cremation. This suggests he was an outcast and was not give the same sort of burial rights.
9. Burned Alaskan Child
During an excavation of a home estimated to be about 11,500 years old, researchers discovered a grisly sight. Inside the ancient hearth was the charred remains a 3-year-old child. It appeared that the home was abandoned after the cremation.
10. Chemical Warfare In Ancient Syria
About 2,000 years ago, a group of 20 or so ancient Roman soldiers were subject to a particularly gruesome demise. Whilst besieging the Syrian town of Dura, Persian soldiers began to dig tunnels in order to get past the Roman defenses. The Romans thought it smart to dig their own tunnels and try and intercept the intrusive Persians. In response to this, the Persians left a trap that was bad by any measure of wartime deaths. They left a petrochemical concoction that would have likely turned the Romans’ lungs to acid. Sounds like a bad time.
Dans un des épisodes du dessin animé "Les Simpson", Homer gagne le prix Nobel de physique. Invité à l’académie des sciences de Suède, il prononce son discours devant un parterre d’invités de marque. Soudain, il est interrompu par sa fille Lisa qui explique la cause de l’incroyable découverte: elle a ouvert la porte du four à micro-onde pendant qu’une saucisse grillait à l’intérieur… Parions que la série sera à jamais gravée dans la mémoire des astrophysiciens de l’observatoire de Parkes en Nouvelle-Galles du sud, en Australie : eux aussi ont été abusés par la porte ouverte d’un four micro-ondes, placé dans le petit local près du télescope où le personnel a l’habitude de faire une pause en réchauffant un plat ou en buvant un café !
Les parasites maléfiques
En 2012, c’est le soulagement: le plus grand radiotélescope du monde, celui d’Arecibo à Porto Rico, enregistre à son tour un FRB. Dès lors, ces signaux deviennent des curiosités scientifiques à étudier sérieusement. Mais qu’en est-il des peritios qui semblent provenir de partout et qui ne montrent le bout de leur nez qu’à Parkes ?
L’équipe australienne – à l’initiative de la jeune astrophysicienne Emily Petroff (photo ci-dessus) - décide de prendre le taureau par les cornes et place dans les locaux un détecteur d’interférences radio. En janvier 2015, trois péritios se manifestent, dans la bande de 2,3 à 2,5 GHz, et détail intéressant, tous sont émis pendant les heures de bureau et en semaine. Ces investigations aboutissent vite à identifier un suspect potentiel : le four à micro-ondes utilisé par le personnel ! Les scientifiques procèdent alors à des expériences en faisant chauffer des tasses et en enregistrant simultanément les signaux au radiotélescope. Puis, ils répètent l’opération en ouvrant la porte du four avant la fin de son fonctionnement. Résultat : le four à micro-ondes est bien le responsable de l'émission des fameux péritios ! Car même si le système de génération de micro-ondes se bloque dès que la porte est ouverte, des micro-ondes s’échappent pendant un laps de temps très court.
L’équipe a présenté ses résultats sur un site de prépublication scientifique pour expliquer le mystère résolu des péritios. Reste encore celui des vrais "sursaut radio rapide ".
Plans to test a laser cannon onboard the International Space Station have been revealed.
It is hoped the experiment could pave the way for a high powered weapon capable of shooting down shoot down pieces of space debris in Earth orbit.
Powerful pulses from the laser would then push space junk into Earth's atmosphere, where it would burn up.
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Tokyo researchers have proposed a laser system to attach to the ISS. It would be used to shoot down pieces of debris in Earth orbit (artist's illustration shown). The system would have a range of 62 miles (100km) and could target things less than 0.4 inches (1cm) in size
The system would use a telescope already mounted on the station to find and target pieces of debris up to 62 miles (100km) away.
The paper, by researchers at the Riken research institute in Tokyo, was published in Acta Astronautica.
The EUSO telescope, which will be used to find debris, was originally planned to detect ultraviolet light emitted from air showers produced by ultra-high energy cosmic rays entering the atmosphere at night.
'We realized,' says Toshikazu Ebisuzaki, who led the effort, 'that we could put it to another use. During twilight, thanks to EUSO's wide field of view and powerful optics, we could adapt it to the new mission of detecting high-velocity debris in orbit near the ISS.'
Their system would use the Extreme Universe Space Observatory's (EUSO) super-wide-field telescope on Japan's Kibo Experiment Module on the ISS.
The laser use bundles of optical fibres to produce powerful laser pulses - capable of both high power and high frequency, although exact figures were not given.
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Space debris, which is continuously accumulating as a result of human space activities, consists of artificial objects orbiting the earth. The number of objects nearly doubled from 2000 to 2014 and they have become a major obstacle to space development.
WHAT IS SPACE JUNK?
Since the first object, Sputnik 1, was launched into space 53 years ago, mankind has created a swarm of hundreds of thousands of items of debris.
The rubbish circling the planet comes from old rockets, abandoned satellites and missile shrapnel.
There are around 22,000 objects in orbit that are big enough for officials on the ground to track and countless more smaller ones that could do damage to human-carrying spaceships and valuable satellites.
One major source of debris in the past was a Chinese anti-satellite missile test in 2007 that left an estimated 150,000 pieces of junk in the atmosphere.
Accidental events have also contributed to the problem. In 2009 for instance there was a major crash between a U.S. communications satellite and a defunct Russian military probe over Siberia.
Combining these two instruments would create a system that could deorbit space debris down to the size of 0.4 inches (one centimetre).
The impact of the laser beam on debris would create a force that reduced its velocity, causing it to fall into Earth's atmosphere and burn up.
The group plans to deploy a small proof-of-concept experiment on the ISS, with a small, eight-inch (20-centimetre) version of the EUSO telescope and a laser with 100 fibres.
'If that goes well, we plan to install a full-scale version on the ISS, incorporating a three-meter [10ft] telescope and a laser with 10,000 fibres, giving it the ability to deorbit debris with a range of approximately 100 kilometers [62 miles],' said lead researcher Dr Toshikazu Ebisuzaki.
Looking further into the future, the team said they could have a 'free-flyer' mission not attached to ISS in another orbit to shoot down debris.
For example, such a system could be deployed in polar orbit at an altitude of about 500 miles (800km), 'where the greatest concentration of debris is found,' according to Dr Ebisuzaki.
Without going into specifics, the team says their proposal could remove 'most' of the centimetre-sized debris in Earth orbit within five years of operation.
MailOnline has asked the researchers to explain how often the laser would fire, and what its maximum capacity in terms of debris-size to deorbit would be.
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The technology bears some similarities to the Death Star - shown - used to devastating effect in the original Star Wars trilogy. Without going into specifics, the team says their proposal could remove 'most' of the centimetre-sized debris in Earth orbit within five years of operation
The paper, by researchers at the Riken research institute in Tokyo, was published in Acta Astronautica. Their system would use the Extreme Universe Space Observatory's (EUSO) super-wide-field telescope on Japan's Kibo Experiment Module on the ISS (shown)
The EUSO telescope was originally planned to detect ultraviolet light from air showers produced by ultra-high energy cosmic rays.
But the researchers realised they could put it to another use - the removal of space debris.
The fibre-powered laser, meanwhile, was originally developed to power particle accelerators - but again another use for it was found.
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The EUSO telescope was originally planned to detect ultraviolet light from air showers produced by ultra-high energy cosmic rays.
Space debris, which is continuously accumulating as a result of human space activities, consists of artificial objects orbiting the earth.
The number of objects nearly doubled from 2000 to 2014 and they have become a major obstacle to space development.
The total mass of space debris is calculated to be about 3,000 tons. It consists of derelict satellites, rocket bodies and parts, and small fragments produced by collisions between debris.
'We may finally have a way to stop the headache of rapidly growing space debris that endangers space activities,' added Dr Ebisuzaki.
Are Mars's moons homegrown—or snatched from the asteroid belt?
Are Mars's moons homegrown—or snatched from the asteroid belt?
NASA/JPL-Caltech/University of Arizona
This false-color image of Phobos shows the large crater Stickney at lower right, which bears the maiden name of the moon's discoverer's wife.
Long after astronomers found moons orbiting other planets in our solar system, Mars remained a loner. It wasn’t until the late 1800s, when astronomer Asaph Hall tried, failed, and then—at the urging of his wife—tried again, that scientists got their first peek at the Red Planet’s two tiny moons, which Hall named Phobos and Deimos.
A century later, spacecraft images revealed that the moons look like asteroids—dark, crater-pocked, and potato-shaped—suggesting Mars had snatched them from the nearby asteroid belt. Now, planetary scientists have conducted the first computer simulations that bolster a controversial alternative idea: The satellites formed as our own moon did, after a big object smashed into the planet and kicked up debris.
Although the impact hypothesis has been around for decades, it has been hotly contested. "It was embarrassing how badly people came after me," says geologist Robert Craddock of the Smithsonian Institution’s National Air and Space Museum in Washington, D.C., who presented the idea at a 1994 conference. "The general tone was this couldn't possibly work." He submitted a scientific paper to several journals, including Nature and Science, which, he says, all rejected it. So, like Hall before him, he gave up. Years later, Craddock resurrected the paper and published it in 2011 after another scientist became interested in his work—and after some of his critics had retired or died.
That once-rejected work has now inspired two teams of planetary scientists to model what might have happened if an object roughly 10 times as massive as Ceres, the largest asteroid, smashed into ancient Mars. Objects of this size were flying around the early solar system, and in Craddock's 2011 paper this one giant stone killed three martian birds. First, it spun the planet up, making it turn once every 24 hours and 37 minutes, matching the length of a martian day; without this impact, the planet would turn more slowly. Second, it produced one of the planet's largest impact basins, measuring many thousands of kilometers across. And third, it kicked up martian debris, which formed a disk around the planet that then created the moons.
Planetary scientists Robin Canup and Julien Salmon of the Southwest Research Institute in Boulder, Colorado, presented their simulations at a conference late last year. And planetary scientists Robert Citron of the University of California, Berkeley, and Hidenori Genda and Shigeru Ida of the Tokyo Institute of Technology published their own calculations in the 15 May issue of Icarus. Although the two teams worked unaware of each other, they reached the same conclusion: A large impact can indeed form both moons. In particular, the disk of debris the impact creates was compact, hugging close to the surface. That's important, because both moons are much closer to Mars than our moon is to Earth.
Both teams also find that the moon-spawning disk was much more massive than Craddock had estimated. As a result, Canup suspects the disk bred a third moon much larger than the two we see, estimating that its diameter was roughly 300 kilometers. That's only a tenth as big as our moon but dwarfs Phobos and Deimos, which are just one or two dozen kilometers across.
What happened to it? Canup suspects it crashed into Mars. Because of gravitational interactions between a moon and its planet, any moon gradually moves either farther from or closer to the planet. If a moon revolves more slowly than its planet spins—as both Deimos and our moon do—it moves outward. But if a moon revolves faster than the planet spins—as Phobos does—it moves inward and the planet's gravity tears it to pieces, which smash into the surface below. That's the unpleasant fate that awaits Phobos in roughly 40 million years. Canup thinks the same thing happened to the large moon Mars once had. "It probably only lasted a few hundred million years," she says.
"I think they're absolutely on the right track," says William McKinnon, a planetary scientist at Washington University in St. Louis. "It makes it much more believable to have a simulation that actually works." McKinnon says that if the moons are really captured asteroids, they should have elliptical orbits far from the planet, but they actually have circular paths close to the planet, as expected if the satellites formed by impact.
But other experts remain skeptical. Scott Murchie, a planetary scientist at Johns Hopkins University in Baltimore, Maryland, who has been studying the martian moons for more than a quarter-century, says the new work is valuable. But, he adds, "I think by far the interpretation most consistent with observable characteristics of the moons aside from their orbits—[their] density, spectral properties, [dark color]—would be that they're captured asteroids." The new simulations don't address the moons' composition—only their sizes and orbits.
All the scientists agree on how to resolve the controversy: Send a spacecraft to the moons. A moon-spawning collision should have vaporized water ice and hydrogen, leaving the satellites with none. "Boy, if they have substantial internal ice, I think that would be the strongest argument against impact," Canup says.
The Soviet Union sent landers to Phobos that failed shortly before their country did. Scientists in the United States have recently proposed missions of their own—for example, landing a probe to scrutinize the small moon's minerals—but NASA has not yet decided whether to support any of them.
Y-rays emitted from the Galactic Centre are giving the LHC a firm target in its hunt for dark matter.
Credit: A. Mellinger, CMU; T. Linden, Univ. of Chicago/NASA Goddard
It is one of the most disputed observations in physics. But an explanation may be in sight for a mysterious excess of high-energy photons at the centre of the Milky Way. The latest analysis suggests that the signal could come from a dark-matter particle that has just the right mass to show up at the world’s largest particle accelerator.
The Large Hadron Collider (LHC), housed at the CERN particle-physics laboratory near Geneva, Switzerland, is due to restart colliding protons this summer after a two-year hiatus (see 'LHC 2.0: A new view of the Universe'). Physicists there have told Nature that they now plan to make the search for such a particle a top target for the collider’s second run.
A positive detection would resolve the source of the galactic γ-rays. But it would also reveal the nature of dark matter, the invisible stuff thought to make up around 85% of the Universe’s matter, and would be long-sought evidence for supersymmetry, a grand way to extend the current standard model of particle physics.
“This could very well be the single most promising explanation for the Galactic Centre proposed to date,” says Dan Hooper of the Fermi National Accelerator Laboratory (Fermilab) in Batavia, Illinois, although he adds that “there are quite a few others that are not too far behind”.
In 2009, Hooper and Lisa Goodenough, then a graduate student at New York University, were the first to spot the signal, in data from NASA’s Fermi Gamma-Ray Space Telescope. They proposed that the bump was a signature of dark matter. Two colliding dark-matter particles would annihilate each other, just as ordinary matter does with antimatter. The annihilation would generate a succession of short-lived particles that would eventually produce γ-rays.
But the proposed particle, which has been dubbed the hooperon or gooperon after its proponents, soon ran into problems with physicists’ favourite version of supersymmetry. Although the minimal supersymmetric standard model (MSSM) allows for dark-matter particles with the estimated mass of hooperons—about 25–30 gigaelectronvolts (1 GeV is roughly the mass of a proton)—multiple experiments had suggested that the particles must be heavier. To accommodate hooperons, MSSM would have to be modified to an extent that makes many physicists uncomfortable. “It would have required a completely new theory,” says Sascha Caron, a particle physicist at Radboud University Nijmegen in the Netherlands, who leads the team behind the latest calculations.
Sceptics suggested that the γ-ray excess spotted in the Fermi data had more-mundane explanations, such as emissions from neutron stars or from the remnants of exploded stars.
But in late 2014, it emerged that calculations for the range of dark-matter-particle masses that would be compatible with the Fermi bump were too conservative. Fresh estimates of the γ-ray ‘noise’ produced by known sources, provided by the Fermi science team and others, allow for much heavier particles. “The excess can be explained with a particle of up to 200 GeV,” says Simona Murgia, a physicist at the University of California, Irvine, and a leading scientist in the Fermi team.
Big-Bang fit Armed with this insight, Caron and his collaborators recalculated the predictions of the MSSM theory and found another potential explanation for the excess—an existing dark-matter candidate called a neutralino. The neutralino was heavy enough not to be excluded by previous experiments, yet light enough to potentially be produced in the second run of the LHC.
Caron’s model also produces a prediction for the amount of dark matter that should have been created in the Big Bang that is compatible with state-of-the-art observations of the cosmic microwave background—the relic radiation of the Big Bang—performed by the European Space Agency’s Planck probe (see Nature http://doi.org/38k; 2014). This cannot be a coincidence, he says. “I find this quite amazing.”
Caron’s team is not the only one reanalysing the Fermi bump in light of the new estimates. Similar but less-detailed calculations done by Fermilab physicist Patrick Fox and his colleagues last November also revealed the neutralino as a potential cause of the Fermi γ-rays. And Katherine Freese, director of Nordita, the Nordic Institute for Theoretical Physics in Stockholm, says that she and her collaborators have calculated that the excess could be caused by a type of dark matter that features in a less-popular theory of supersymmetry.
Resolution may be just around the corner. In addition to being produced at the LHC, the neutralino could also be within the shooting range of next-generation underground experiments that are trying to catch dark-matter particles that happen to fly through Earth, says physicist Albert De Roeck, who works on the CMS, one of the two LHC detectors that will hunt for dark matter. If such a particle is indeed the cause of the γ-rays, he says, “it seems that the dark-matter signals should be observed very soon now”.
This article is reproduced with permission and was first published on May 5, 2015.
Drastic temperature variations observed on 55 Cancri e suggest the exoplanet is geologically active
Temperatures on a nearby “super Earth” exoplanet varied dramatically recently, suggesting that large and very active volcanoes may exist on the alien world’s surface, a new study reports.
Researchers using NASA’s Spitzer Space Telescope found that temperatures on 55 Cancri e—a planet eight times more massive than Earth that lies 40 light-years away—swung between about 1,832 to 4,892 degees Fahrenheit (1,000 to 2,700 degrees Celsius) from 2011 to 2013.
“This is the first time we’ve seen such drastic changes in light emitted from an exoplanet, which is particularly remarkable for a super Earth,” study co-author Nikku Madhusudhan, of the University of Cambridge’s Institute of Astronomy in England, said in a statement. “No signature of thermal emissions or surface activity has ever been detected for any other super Earth to date.” [The Strangest Alien Planets (Gallery)]
This atmospheric variability was observed on the “day side” of 55 Cancri e, which lies so close to its host star that it completes one orbit every 18 hours. The planet is tidally locked, meaning one side always faces the star and the other always faces away.
Artist’s concept of the exoplanet 55 Cancri e, which may host large and active volcanoes. Image released May 4, 2015.
The researchers said they aren’t sure what’s behind the huge temperature shift, but they’ve got a leading candidate in mind.
“We think a likely explanation for this variability is [that] large-scale surface activity, possibly volcanism, on the surface is spewing out massive volumes of gas and dust, which sometimes blanket the thermal emission from the planet, so it is not seen from Earth,” lead author Brice-Olivier Demory, of Cambridge’s Cavendish Laboratory, said in the same statement.
If this interpretation is correct, volcanism on 55 Cancri e would likely be even more intense than it is on Jupiter’s moon Io, the most volcanically active body in Earth’s solar system, researchers said.
Astronomers once thought that 55 Cancri e was so carbon-rich that it was composed largely of diamond, but recent studies suggest that the planet’s carbon abundance may have been overestimated. The new observations further add to the mystery and intrigue of 55 Cancri e, one of five planets known to orbit the star 55 Cancri.
“The planet could still be carbon-rich, but now we’re not so sure. Earlier studies of this planet have even suggested that it could be a water world,” Madhusudhan said.
“The present variability [in temperature] is something we’ve never seen anywhere else, so there’s no robust conventional explanation,” he added. “But that’s the fun in science—clues can come from unexpected quarters. The present observations open a new chapter in our ability to study the conditions on rocky exoplanets using current and upcoming large telescopes.”
Artist's illustration of NASA's New Horizons in the Pluto system. The probe is scheduled to fly by Pluto on July 14, 2015. credit NASA/JHU APL/SwRI/Steve Gribben
A NASA Pluto probe may end up with one final mission after its work exploring the outer solar system is done — carrying a message to advanced alien civilizations.
NASA is considering allowing a team of researchers, teachers, artists and engineers to upload an interstellar message to the agency's New Horizons spacecraft, which will perform the first-ever flyby of Pluto on July 14.
This project, known as the One Earth Message, is being led by Jon Lomberg, who was design director for the "golden records" that were placed aboard NASA's twin Voyager spacecraft before their 1977 launch to teach any aliens that might encounter the probes about humanity and its home planet. [5 Facts About NASA's Voyager Spacecraft]
NASA Pluto Probe May Carry Crowdsourced Message to Aliens https://shar.es/1rwnGV via @sharethis
The goals of the One Earth Message are similar, but the new project would be a more global and collaborative effort, asking people around the world to contribute images, sounds and ideas for this farflung "message in a bottle."
"This is really a chance to try to think about ourselves from the long perspective," Lomberg told Space.com. "We'll never know if this extraterrestrial audience that we're designing it for will receive it. But we do know that the people of Earth who participate, who play a role in it — it can literally change their lives."
A digital message
Voyager 1 entered interstellar space in 2012, and Voyager 2 will join its twin in this rarefied realm soon. The two probes' golden records are actual records — 12-inch-wide (30 centimeters) gold-plated copper disks that come with cartridges, needles and instructions about how to play them. The identical records contain 115 analog-encoded images, as well as audio of thunder and other natural sounds, music and spoken greetings in 55 different languages.
The Golden Record carried a message from Earth on board NASA's Voyager 1 and Voyager 2 missions.
Credit NASA
The One Earth Message, by contrast, would be digital. If NASA greenlights the project — the space agency has expressed enthusiasm but has yet to approve it officially, Lomberg said — the team will be allowed to beam 150 megabytes of data to New Horizons.
The One Earth Message would therefore hold about the same amount of information as Voyager's golden records — perhaps 100 images and about an hour of audio, Lomberg said. (Videos would take up too much memory.)
"We're writing a haiku, not a novel," he said.
The digital format would allow the One Earth Message to be more flexible, layered and integrated than was possible with the golden records, Lomberg added. For example, the message could be changed over time by beaming more files to New Horizons. It could also include a map of the world, and every picture and every sound could be tagged to the spot from which it came. [13 Ways to Hunt Intelligent Alien Life]
Crowdsourced content and funding
There's another key difference between the Voyager and New Horizons efforts: While the golden records carry information chosen by a small committee (which was chaired by famed astronomer and science communicator Carl Sagan), the One Earth Message would be a crowdsourced affair, with contributions from people around the globe.
"It's not simply a photo contest," Lomberg said. "It's a process that's going to find out what people want to send."
Just as the One Earth Message's content would be crowdsourced, a chunk of its funding would be too. (The team is not asking NASA to pay for the project.) Lomberg and his colleagues hope to raise at least $500,000 from people around the world via a Fiat Physica campaign, to build and maintain a Web presence and to figure out the best way to program the message.
Additional money raised would be used for education and outreach, among other things.
"The total budget is a couple of million [dollars], to do everything we'd like to do," Lomberg said.
People would be able to contribute a certain number of photos for possible inclusion in the One Earth Message for free, he added. Anyone who wants to submit additional pictures would be able to do so, for a fee that would help cover the costs of the project's website.
The One Earth Message Fiat Physica campaign runs through July 15. As of yesterday evening (May 17), the crowdfunding effort had raised about $12,000 of its $500,000 target. You can learn more about the campaign here: http://www.fiatphysica.com/campaigns/oem/
The group is also looking for private support, Lomberg said.
Drawing up a message designed to be understood by alien civilizationsis not a simple or straightforward task. For example, how would any hypothetical extraterrestrials that chance upon New Horizons even know that humanity is trying to say something to them?
"How can you send files so that aliens can figure them out? They're not going to know what a jpeg is," Lomberg said. "Our challenge is to find ways of coding the message so that it calls attention to itself as a message."
But there's plenty of time to work on such issues. The transmission to New Horizons would occur in July 2016 at the earliest, Lomberg said, and it could even be postponed until after the probe flies by a second faraway object in 2019 during a potential extended missionthat NASA is mulling.
While the One Earth Message is designed to be interpreted by aliens, it's a worthwhile exercise even if New Horizons zooms through space alone for all of its days, Lomberg said. The project, he stressed, has the potential to get people more excited about the New Horizons mission and space exploration in general — and possibly to bring people around the world together in a perspective-altering experience.
"For almost 40 years, I've seen how the Voyager record has inspired people," Lomberg said. "It seems like it's time for another generation to have that same type of inspiration."
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Over mijzelf
Ik ben Pieter, en gebruik soms ook wel de schuilnaam Peter2011.
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