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Largest structure ever seen in universe discovered, violates lawsof the Cosmological Principle!
Dear Steve Willner:
On Thursday, January 24, 2013 1:42:57 PM UTC-7, Steve Willner wrote: In article , Yousuf Khan writes: It would put into question the validity of CMBR analysis. I'm afraid I don't follow that at all. The fluctuations in the CMBR have been measured. With relatively coarse "pixel size". Those measurements won't change. Of course they will. In particular, nobody is going to discover that the CMBR fluctuations are twice as large as current measurements say. (None of this implies new, more accurate measurements are of no value.) Yes, actually it does. Averaging over a "pixel" can easily hide a factor of two variation. If the claimed structure is real, A really big *IF*... it might change our picture of evolution _since_ the CMBR. That would be interesting, but personally I'm waiting for better data. Both on the CMBR, and this particular observation-set. David A. Smith |
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Largest structure ever seen in universe discovered, violateslaws of the Cosmological Principle!
On 24/01/2013 3:42 PM, Steve Willner wrote:
In article , Yousuf Khan writes: It would put into question the validity of CMBR analysis. I'm afraid I don't follow that at all. The fluctuations in the CMBR have been measured. Those measurements won't change. In particular, nobody is going to discover that the CMBR fluctuations are twice as large as current measurements say. (None of this implies new, more accurate measurements are of no value.) I'm not saying those findings will be changing, I'm saying that the derived interpretations, such using the CMBR as a proof for Dark Matter and Dark Energy throughout the Universe will be put into question. If the claimed structure is real, it might change our picture of evolution _since_ the CMBR. That would be interesting, but personally I'm waiting for better data. It's possible, but if the universe can evolve in different ways after the CMBR was measured, then chances are likely that it could've evolved divergently even between the period of the Big Bang and CMBR. Yousuf Khan |
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