NEW YORK, NY - JULY 29: Astrophysicist Neil deGrasse Tyson (L) and comedian Eugene Mirman answer science questions from the crowd at the Williamsburg Waterfront on July 29, 2011 in New York City. ... more 
NEW YORK, NY - JULY 29: Astrophysicist Neil deGrasse Tyson (L) and comedian Eugene Mirman answer science questions from the crowd at the Williamsburg Waterfront on July 29, 2011 in New York City. (Photo by Mike Lawrie/Getty Images) less 
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Getty Images | Photo By Mike Lawrie / Getty Images
Fri, Jul 29, 2011 10:10 PM EDT