Tuesday, November 24, 2009

Nov. 24 - Weird data suggests something big beyond the edge of the universe‏

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Weird data suggests something big beyond the edge of the universe

Tuesday, 24 November 2009
Cosmos Online

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Parallel universes

Something strange appears to be tugging a 'dark flow' of galaxies across the universe. is this evidence that parallel universes really exist?

SYDNEY: Astronomers have found the best evidence yet for the weird idea that our universe is one of many in the 'multiverse'. What's more, these parallel universes seem to be exerting a strange force on our own, causing galaxy clusters to stream across space towards the edge of the known universe.

The new evidence comes from studies of 'bumps and wiggles' in the temperature of the cosmic background radiation (CMB), the leftover afterglow of the Big Bang.

Dark flow

U.S. cosmologist Sasha Kashlinsky of the Goddard Space Flight Centre in Greenbelt, Maryland, and co-workers measured slight changes in the CMB using NASA's Wilkinson Microwave Anisotropy Probe (WMAP). Slight deviations in the general expansion of the universe reveal the speed and direction of clusters of galaxies.

Last year, Kashlinksy's team found an unusual pattern in the movements of galaxy clusters. Instead of expanding at a uniform rate, as predicted by Einstein's general theory of relativity and theories of dark energy, clusters of galaxies stream in one particular direction and at greater than expected speeds. They called this weird phenomenon the 'dark flow'.

Now, new research from the team has confirmed and extended this flow to three billion light-years from Earth, about one-fifth of the way across the universe. The results have been submitted to The Astrophysical Journal.

Best evidence for the multiverse

The mystery is about what exactly is 'pulling' at the galaxy clusters to cause the flow, and this is where parallel universes come in.

Some theories of the beginning of the universe require multiple universes, which are mysteriously 'entangled', much like quantum particles at very small scales. The controversial theory suggests that although we can't see them, these parallel universes can exert a force on our own universe which provokes this 'dark flow'.

"If the flow extends all the way to the cosmological horizon, as our results likely suggest, then its origin likely is tied to the overall pre-inflationary structure of space-time [the first milliseconds of the Big Bang] and may point to the multiverse in one form or another," Kashlinsy said. "We are continuing the project and expect that our future measurements would answer this possibility much more definitively."

Parallel universes

Something strange appears to be tugging a 'dark flow' of galaxies across the universe. is this evidence that parallel universes really exist?

One proponent of the multiverse theory, cosmologist Laura Mersini-Houghton from the University of North Carolina at Chapel Hill, U.S., says Kashlinsky's findings are the "most straightforward indication of the existence of the multiverse."

"A multiverse extension of physics revolutionises our understanding of nature. It enables us to see the world beyond the horizon of the visible universe and reinforces the Copernican principle that our universe is neither special nor at the centre of cosmos. It is profound," commented Mersini-Houghton.

Fits the data

Mersini-Houghton points out the parallel universe theory predicted dark flow and even closely matches the speed of the dark flow as measured by Kashlinksy.

But while admitting that the dark flow was "worrying" to conventional physics theories such as general relativity, Australian cosmologist Warrick Couch of the Swinburne University of Technology in Melbourne said he didn't think it was direct proof of parallel universes.

"It adds an interesting observational 'fat' to the debate, but I'd be reluctant to say it's completely proof of the multiverse theory," said Couch."I think there are so many multiverse theories and there are so many parameters that it's hard to test them all."

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How to Digitally Record/Video a UFO sighting:

Como registar digitalmente ou gravar um vídeo de um avistamento de um UFO:

Stabilize the camera on a tripod. If there is no tripod, then set it on top of a stable, flat surface. If that is not possible lean against a wall to stabilize your body and prevent the camera from filming in a shaky, unsteady manner.

Estabilize a camera com um tripé. Se não tiver um tripé, então coloque-a em cima de uma superfície estável. Se não for possível, então encoste-se a uma parede para estabilizar o corpo e evitar que a camera registe de maneira tremida e instável.

Provide visual reference points for comparison. This includes the horizon, treetops, lampposts, houses, and geographical landmarks (i.e., Horsetooth Reservoir, Mt. Adams, etc.) Provide this in the video whenever is appropriate and doesn’t detract from what your focus is, the UFO.

Forneça pontos visuais de referência para comparação. Isso inclui o horizonte, cimo das árvores, postes de iluminação, pontos de referência geográficos (como o Reservatório de Horsetooth, Mone Adams, etc) Forneça esses pontos no vídeo sempre que for apropriado e não se distraia do que é o seu foco, o UFO/a Nave.

Narrate your videotape. Provide details of the date, time, location, and direction (N,S,E,W) you are looking in. Provide your observations on the weather, including approximate temperature, windspeed, any visible cloud cover or noticeable weather anomalies or events. Narrate on the shape, size, color, movements, approximate altitude of the UFO, etc and what it appears to be doing. Also include any unusual physical, psychological or emotional sensations you might have. Narrate any visual reference points on camera so they correlate with what the viewer will see, and thereby will be better able to understand.

Faça a narração do vídeo. Forneça pormenores sobre a data, hora, local e direcção (Norte, Sul, Este, Oeste) que está a observar. Faça observações sobre as condições atmosféricas, incluindo a temperatura aproximada, velocidade do vento, quantidade de nuvens, anomalias ou acontecimentos meteorológicos evidentes. Descreva a forma, o tamanho, a cor, os movimentos, a altitude aproximada onde se encontra o UFO/nave, etc e o que aparenta estar a fazer. Inclua também quaisquer aspectos pouco habituais de sensações físicas, psicológicas ou emocionais que possa ter. Faça a narração de todos os pontos de referência visual que o espectador irá ver e que, deste modo, será capaz de compreender melhor.

Be persistent and consistent. Return to the scene to videotape and record at this same location. If you have been successful once, the UFO sightings may be occurring in this region regularly, perhaps for specific reasons unknown, and you may be successful again. You may also wish to return to the same location at a different time of day (daylight hours) for better orientation and reference. Film just a minute or two under “normal” circumstances for comparison. Write down what you remember immediately after. As soon as you are done recording the experience/event, immediately write down your impressions, memories, thoughts, emotions, etc. so it is on the record in writing. If there were other witnesses, have them independently record their own impressions, thoughts, etc. Include in this exercise any drawings, sketches, or diagrams. Make sure you date and sign your documentation.

Seja persistente e não contraditório. Volte ao local da cena e registe o mesmo local. Se foi bem sucedido uma vez, pode ser que nessa região ocorram avistamentos de UFOs/naves com regularidade, talvez por razões específicas desconhecidas, e talvez possa ser novamente bem sucedido. Pode também desejar voltar ao mesmo lugar a horas diferentes do dia (durante as horas de luz)para ter uma orientação e referência melhor. Filme apenas um ,inuto ou dois em circunstâncias “normais” para ter um termo de comparação. Escreva tudo o que viu imediatamente após o acontecimento. Logo após ter feito o registo da experiência/acontecimento, escreva imediatamente as impressões, memórias, pensamentos, emoções, etc para que fiquem registadas por escrito. Se houver outras testemunhas, peça-lhes para registar independentemente as suas próprias impressões, pensamentos, etc. Inclua quaisquer desenhos, esbolos, diagramas. Certifique-se que data e assina o seu documento/testemunho.

Always be prepared. Have a digital camera or better yet a video camera with you, charged and ready to go, at all times. Make sure you know how to use your camera (and your cell phone video/photo camera) quickly and properly. These events can occur suddenly, unexpectedly, and often quite randomly, so you will need to be prepared.

Esteja sempre preparado, Tenha sempre uma camera digital, melhor ainda, uma camera vídeo consigo, carregada e pronta a usar sempre que necessário. Certifique-se que sabe como lidar com a sua camera (ou com o seu celular/camera fotográfica) rápida e adequadamente. Esses acontecimentos podem acontecer súbita e inesperadamente e, por vezes, acidentalmente, por isso, necessita estar preparado.

Look up. Be prepared. Report. Share.

Olhe para cima, Esteja preparado, Relate, Partilhe.



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