Nicole Mitchell Bang Bus

STS-132 astronaut Piers Sellers, at podium, acknowleges museum director Ret. Gen. John R. "Jack" Dailey, seated left, and NASA astrophycisist Dr. John Mather, center, during a presentation, Tuesday, July 27, 2010, at the Smithsonian National Air and Space Museum in Washington. Sellers returned a replica of the Nobel Prize that is in the museum's collection and was flown aboard STS-132 Atlantis. The prize was won by Mather and University of California, Berkeley researcher George Smoot in 2006 for their work using the Cosmic Background Explorer Satellite to understand the big-bang theory of the universe.Photo Credit: (NASA/Paul E. Alers)

NASA Astrophycist Dr. John Mather, at podium, speaks Tuesday, July 27, 2010, at the Smithsonian National Air and Space Museum in Washington as museum director Gen. John R. "Jack" Dailey, U.S. Marine Corps ret. and STS-132 astronaut Piers Sellers look on. Sellers returned a replica of the Nobel Prize that is in the museum's collection and was flown aboard STS-132 Atlantis. The prize was won by Mather and University of California, Berkeley researcher George Smoot in 2006 for their work using the Cosmic Background Explorer Satellite to understand the big-bang theory of the universe.Photo Credit: (NASA/Paul E. Alers)

STS-132 astronaut Piers Sellers, left, and Dr. John Mather are seen with a replica of Mather's Nobel Prize, Tuesday, July 27, 2010, at the Smithsonian National Air and Space Museum in Washington. Sellers returned the replica that is in the museum's collection and was flown aboard STS-132 Atlantis. The prize was won by Mather and University of California, Berkeley researcher George Smoot in 2006 for their work using the Cosmic Background Explorer Satellite to understand the big-bang theory of the universe. Photo Credit: (NASA/Paul E. Alers) 2b1af7f3a8