NASA Leaders on Getting Humans to Mars

Published: May 17, 2017, 5 a.m.

b'The human journey to the Red Planet is long and hard, but Mat\\u2019s conversation with three NASA Associate Administrators at the Humans to Mars Summit was filled with cautious optimism. Emily Lakdawalla shares a beautiful image of Saturn almost lost in the myriad stars of the Milky Way. The first Space Launch System rocket won\\u2019t carry astronauts, and Bill Nye says that\\u2019s probably a good thing. Bruce Betts reports in from the Planetary Defense Conference in Tokyo for this week\\u2019s What\\u2019s Up. Related links are here: http://www.planetary.org/multimedia/planetary-radio/show/2017/0517-nasa-associate-admins-h2m.html'