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A fascinating observation has been made by studying the data from Nasa's Wilkinson Microwave Anisotropy Probe (WMAP).
A new phenomena called Dark Flow. The first signs that something exists outside our known observable universe. Let that sentence sink in. After ruling out as many possible reasons they can think of, scientists say what they are seeing is a huge number of stars in clusters of galaxies accelerating faster than they should be, and all heading for the same point outside of our observable universe. Two million miles per hour faster to be more specific. This velocity is independent of universal expansion of the Big Bang and is the same no matter the increase in distance (upto a billion light years measured but is predicted to be for the whole distance of the observable universe.)
700 clusters have been tracked to show this effect.
There should be no preferred direction of inflation of the universe after the Big Bang. But there are models of the Big Bang that include an event like a hyper-expansion. This idea is that a whole load of matter was shot out infront of/ before the matter that we determine as our observable universe. It could be this matter causing the gravitational pull that is attracting our universes stars and galaxies. Or it could be some kind of inflation before our universe was created, or it might be something that existed there already before space-time as we know it.
Dr Kashlinsky, part of the team behind the findings, used the calm Ocean as a metaphor: "As far as you can see to the horizon, the ocean seems smooth and isotropic (the same in every direction) and you may conclude that the entire cosmos is like that you see. But then you find a small flow in some direction extending across the entire field of view.
"The flow would then indicate the existence of other very different structures (say ravines to sink to, or mountains to flow from) from your local part of space-time (ocean). In other words, the ocean (locally observed space-time) is just a part of the larger and very different world (cosmos)."
A bit of a difficult metaphor to enjoy, but anyway what great thing for the imagination if there is a whole new area of matter outside our observable universe, what is in there? Are the laws of physics even the same there?
Is there a huge giant fish filter feeding our universe and we are all heading towards it like food in straw?
A new phenomena called Dark Flow. The first signs that something exists outside our known observable universe. Let that sentence sink in. After ruling out as many possible reasons they can think of, scientists say what they are seeing is a huge number of stars in clusters of galaxies accelerating faster than they should be, and all heading for the same point outside of our observable universe. Two million miles per hour faster to be more specific. This velocity is independent of universal expansion of the Big Bang and is the same no matter the increase in distance (upto a billion light years measured but is predicted to be for the whole distance of the observable universe.)
700 clusters have been tracked to show this effect.
There should be no preferred direction of inflation of the universe after the Big Bang. But there are models of the Big Bang that include an event like a hyper-expansion. This idea is that a whole load of matter was shot out infront of/ before the matter that we determine as our observable universe. It could be this matter causing the gravitational pull that is attracting our universes stars and galaxies. Or it could be some kind of inflation before our universe was created, or it might be something that existed there already before space-time as we know it.
Dr Kashlinsky, part of the team behind the findings, used the calm Ocean as a metaphor: "As far as you can see to the horizon, the ocean seems smooth and isotropic (the same in every direction) and you may conclude that the entire cosmos is like that you see. But then you find a small flow in some direction extending across the entire field of view.
"The flow would then indicate the existence of other very different structures (say ravines to sink to, or mountains to flow from) from your local part of space-time (ocean). In other words, the ocean (locally observed space-time) is just a part of the larger and very different world (cosmos)."
A bit of a difficult metaphor to enjoy, but anyway what great thing for the imagination if there is a whole new area of matter outside our observable universe, what is in there? Are the laws of physics even the same there?
Is there a huge giant fish filter feeding our universe and we are all heading towards it like food in straw?
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