2011 Physics Nobel: Accelerating Expansion of the Universe
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Oct. 4, 2011 -- For their work in discovering the accelerating expansion of the universe through observations of distant supernovae the 2011 Nobel Prize in Physics goes to Saul Perlmutter of Lawrence Berkeley National Laboratory, Brian Schmidt of the Australian National University and Adam Riess of Johns Hopkins University in Baltimore, Md.
IMAGE: The expansion of the Universe began with the Big Bang 14 billion years ago, but slowed down during the first several billion years. Eventually it started to accelerate. The acceleration is believed to be driven by dark energy, which in the beginning constituted only a small part of the Universe. But as matter got diluted by the expansion, the dark energy became more dominant. nobelprize.org
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