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Politics : Formerly About Applied Materials

AMAT 228.51

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3:48 PM EST

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To: zonder who wrote (70700)	10/15/2003 1:24:27 PM
From: Martin Radwin	Read Replies (1) of 70976

The CMBR (cosmic microwave background radiation) does not definitively prove the big bang theory. Due to the fact that it is an almost perfectly isotropic black body source, the big bang is presently thought to be the best explanation for the CMBR, which is hypothesized to be the remnant of the big bang. But there are other possible sources of the CMBR which have been proposed by various astronomers. The Hubble red shift data also does not definitively prove the big bang theory. According to the big bang interpretation, this is a Dopler red shift caused by expansion of the universe, and according to this interpretation, the expansion of the universe is actually accelerating. But there are also alternative theories to explain the Hubble shift, some of which hypothesize a static, non-expanding universe. At this point, the big bang is the mainstream, orthodox theory of the universe which is most widely accepted among astronomers and thought to have the greatest body of supporting empirical evidence. But there are plausible alternative cosmological theories. At this point, we simply don't know. We may not know for a long time.

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