Neil Gehrels and WFIRSTA Space Telescope for the 2020s

Published: March 15, 2016, 4:52 a.m.

b'NASA has given the go-ahead for creation of the Wide-Field Infrared Survey Telescope. It might help reveal the nature of dark energy and point the way to life among the stars. Europe and Russia are celebrating the ExoMars spacecraft now headed for Mars. Emily Lakdawalla tells us why. Spacewalks, re-entry\\u2026traveling in space is hard and dangerous! Bruce Betts tells a harrowing tale or two on this week\\u2019s What\\u2019s Up. Bill Nye is on the road this week. Related links are here:
http://www.planetary.org/multimedia/planetary-radio/show/2016/0314-wfirst-gehrels.html'