Original news saved on 1 July 2009, 01:40 GMT
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Intense Heat Killed The Universe's Would-be Galaxies, Researchers Say
Millions of would-be galaxies failed to develop after being exposed to intense heat from the first stars and black holes formed in the early Universe, according to new research. Our Milky Way galaxy only survived because it was already immersed in a large clump of dark matter which trapped gases inside it, scientists have found.