BALTIMORE, MD - OCTOBER 04: Nobel Prize winner, Adam G. Riess smiles during a news conference at Johns Hopkins University, on October 4, 2011 in Baltimore, Maryland. Riess is among three scientists ... more 
BALTIMORE, MD - OCTOBER 04: Nobel Prize winner, Adam G. Riess smiles during a news conference at Johns Hopkins University, on October 4, 2011 in Baltimore, Maryland. Riess is among three scientists who won this year's Nobel Prize for Physics for discovering that the universe's expanding at an accelerating rate, some 14 billion years after the big bang. (Photo by Mark Wilson/Getty Images) less 
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Getty Images | Photo By Mark Wilson / Getty Images
Tue, Oct 4, 2011 2:14 PM EDT