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A universe for beginners no more

MAR 12, 2007
Physics Today
The New York Times : Research by Saul Perlmutter and other groups over the last few years have started to destroy the general belief by astronomers that a simple model of the universe could explain most of the phenomena observed by astronomers. According to the latest observations, 96% of the mass of the universe is missing. Says Lawrence M. Krauss, “We’re just a bit of pollution.... If you got rid of us, and all the stars and all the galaxies and all the planets and all the aliens and everybody, then the universe would be largely the same. We’re completely irrelevant.” Richard Panek summarizes in the New York Times, what astronomers know about the missing mass, and their speculations over what it is.
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