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The Hole In The Universe

September 15, 2007
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By now you’ve probably heard about the hole in the universe, but it’s an interesting enough discovery to bear repeating. Larry Rudnick, a University of Minnesota astronomy professor, is reporting in Astrophysical Journal that his team has fortuitously come across a cosmic void a billion light years wide(!), some thousand times larger than any that should exist based on our current astrophysical models. Rudnick evidently ran across this mother of all vacuums while examining swaths of sky taken by the National Radio Astronomy Observatory radio telescope. One area caught his eye, because a huge percentage of the expected matter seemed to be missing; checking that spot against CMB data he found a corresponding spot of deep cold, right there. Conclusion: a whole lot of nothing, “concentrated” in one region.
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