Cosmic acceleration discovery wins physics Nobel

Three astrophysicists honored for grasping universe's accelerating expansion

By Devin Powell, 07:38 AM October 4, 2011

The shocking discovery that the universe is expanding at a faster and faster rate has taken the 2011 Nobel Prize in physics. Three American-born astrophysicists will divide the $1.5 million prize, announced October 4 in Stockholm.

"This is tremendous news, in recognition of a fundamental discovery that has changed our picture of the universe,” says Robert Caldwell, a theoretical physicist who specializes in cosmology at Dartmouth College.

Half the prize goes to Saul Perlmutter of Lawrence ...

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