
NASA’s New Planetary Defense Office
Lindley Johnson has just been named NASA's first Planetary Defense Officer. He's joined on this week's PlanRad by astronomer Kelly Fast, the new manager of the Near Earth Object Observation Program.Learn more about your ad choices. Visit megaphone.fm/adchoicesSee omnystudio.com/listener for privacy information.See omnystudio.com/listener for privacy information.
2 Helmi 201650min

Civilizations Among the Clustered Stars?
New research indicates that globular clusters—collections of up to a million stars—could provide stable environments for life, along with opportunities for interstellar civilizations. Lead author Rosanne Di Stefano joins us to explain.Learn more about your ad choices. Visit megaphone.fm/adchoicesSee omnystudio.com/listener for privacy information.See omnystudio.com/listener for privacy information.
26 Tammi 201641min

Marc Rayman’s Dawn Mission Update
The Dawn Mission Chief Engineer Marc Rayman returns for another report on the ion-engine powered mission, now orbiting 240 miles above dwarf planet Ceres in the Asteroid Belt.Learn more about your ad choices. Visit megaphone.fm/adchoicesSee omnystudio.com/listener for privacy information.See omnystudio.com/listener for privacy information.
19 Tammi 201630min

Master of the Moon Rocks: NASA Astromaterials Curator Francis McCubbin
Francis McCubbin is the new Astromaterials Curator at NASA's Johnson Space Center, where the priceless collection includes the Apollo moonrocks. Join host Mat Kaplan's visit.Learn more about your ad choices. Visit megaphone.fm/adchoicesSee omnystudio.com/listener for privacy information.See omnystudio.com/listener for privacy information.
12 Tammi 201638min

Ad Astra Builds “The Martian’s” Rocket Engine
Mat Kaplan visits the Ad Astra Rocket Company in Texas where they are perfecting the VASIMIR electric rocket engine. Emily Lakdawalla has created a comprehensive timeline tracing missions throughout the solar system. Bill Nye salutes Planetary Society colleagues who gathered to record a Planetary Radio Extra year in review conversation. The new year’s sky is chock full of planets according to Bruce Betts.Learn more about your ad choices. Visit megaphone.fm/adchoicesSee omnystudio.com/listener for privacy information.See omnystudio.com/listener for privacy information.
5 Tammi 201634min

Planetary Radio Extra: Ad Astra Rocket Company Audio Tour
Ad Astra's Mark Carter took Planetary Radio Host Mat Kaplan on a great tour of the company's facility in mid-November of 2015. Space and science geeks are going to love this mostly unedited audio recording. Learn more about your ad choices. Visit megaphone.fm/adchoicesSee omnystudio.com/listener for privacy information.See omnystudio.com/listener for privacy information.
5 Tammi 201636min

Planetary Radio Extra: Planetary Society Experts 2015 Review
Bruce Betts, Jason Davis, Casey Dreier and Emily Lakdawalla gather with Mat Kaplan for a fascinating and informative Planetary Radio Extra year-in-review roundtable discussion.Learn more about your ad choices. Visit megaphone.fm/adchoicesSee omnystudio.com/listener for privacy information.See omnystudio.com/listener for privacy information.
5 Tammi 20161h 1min

2015: A Great Year for Space Exploration
Our year-end review features the “best of 2015” lists from Jason Davis, Casey Dreier, Emily Lakdawalla and Bill Nye the Science Guy. What’s Up offers planets, a comet, and a nice prize package for the space trivia contest.Learn more about your ad choices. Visit megaphone.fm/adchoicesSee omnystudio.com/listener for privacy information.See omnystudio.com/listener for privacy information.
29 Joulu 201528min