Tuesday, October 30, 2007

2 Canadian astronomers say there is no dark matter "Two Canadian astronomers say the reason scientists can't find dark matter is because there is none. Dark matter, thought to make up the bulk of matter in the universe, was invoked to explain how galaxies stick together. The visible matter alone in galaxies — stars, gas and dust — is not enough to hold them together, so scientists reasoned there must be an unseen something that exerts gravity and is central to all galaxies. "

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