How Did The Milky Way Survive? Dark Matter Did It, Says Hypothesis
Tuesday, June 30, 2009 - 22:35
in Astronomy & Space
Why did our Milky Way galaxy survive while others failed? Ill-defined, convenient catch-all dark matter gets the credit, according to a new paper. Dark matter is thought to make up 85 per cent of the Universe’s mass and it may also be one of the building blocks of galaxy formation. The researchers say that the early Milky Way, which had begun forming stars, held on to the raw gaseous material from which further stars would be made. This material would otherwise have been evaporated by the high temperatures generated by the “ignition” of the Universe about half-a-billion years after the Big Bang. read more
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