A small model of NASA's Kepler spacecraft is seen on display prior to a media briefing, Thursday, Feb. 19, 2009, at NASA Headquarters in Washington. Photo Credit: (NASA/Paul. E. Alers)
A small model of NASA's Kepler spacecraft is seen on display prior to a media briefing, Thursday, Feb. 19, 2009, at NASA Headquarters in Washington. Photo Credit: (NASA/Paul. E. Alers)