NASA Administrator Charles F. Bolden looks on as Kalani Brown, 9, of Arlington, Va., looks at the moon through a telescope during a stargazing event at Hoffman-Boston Elementary School in Arlington, Va. on Thursday, Nov. 7, 2013. Photo Credit: (NASA/Jay Westcott)

NASA Administrator Charles F. Bolden gestures while making remarks before a stargazing event at Hoffman-Boston Elementary School in Arlington, Va. on Thursday, Nov. 7, 2013. Photo Credit: (NASA/Jay Westcott)

NASA Administrator Charles F. Bolden gestures while making remarks at a stargazing event at Hoffman-Boston Elementary School in Arlington, Va. on Thursday, Nov. 7, 2013. Photo Credit: (NASA/Jay Westcott)

NASA Administrator Charles F. Bolden greets Lucas Yaroschuk, 3, of Arlington, Va., during a stargazing event at Hoffman-Boston Elementary School in Arlington, Va. on Thursday, Nov. 7, 2013. Photo Credit: (NASA/Jay Westcott)

Deputy Director Colleen Hartman from NASA Goddard Space Flight Center looks on as Kamal Amiral, 5, of Arlington, Va., looks at the moon through a telescope during a stargazing event at Hoffman-Boston Elementary School in Arlington, Va. on Thursday, Nov. 7, 2013. NASA Administrator Charles F. Bolden is also pictured. Photo Credit: (NASA/Jay Westcott)