NASA Science Leader John Grunsfeld

Astronaut and NASA Associate Administrator John Grunsfeld closes our coverage of the Space Foundation’s 32nd annual Space Symposium in Colorado Springs. We also meet the leaders of the New Generation Space Leaders Program. Emily has made it easy to be wowed by spectacular new images of comet 67/P taken by Europe’s Rosetta spacecraft. Bruce and Mat will pick three winners of a great new game in the What’s Up space trivia contest. Related links are here: http://www.planetary.org/multimedia/planetary-radio/show/2016/0516-john-grunsfeld-space-symposium.html