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Planetary RadioMay 31, 2016

Getting Humans to Mars

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On This Episode
Stephen Jurczyk head shot
Stephen Jurczyk

Associate Administrator of the Space Technology Mission Directorate, NASA

Jim Free head shot
Jim Free

Deputy Director of the Human Exploration and Operations Mission Directorate, NASA

Rick Davis thumbnail
Rick Davis

Assistant Director for Science and Exploration, NASA’s Science Mission Directorate

Three NASA leaders talk with host Mat Kaplan about the progress we're making toward leaving footprints on the Red Planet. Emily Lakdawalla showcases great new space images from the amateur community. Bill Nye tells us how a LightSail technical challenge has been solved. Bruce Betts can't take his eyes off Mars as it makes its closest pass of Earth in years. Don’t miss the new arrangement of our theme!

Humans to Mars summit

Mat Kaplan

Humans to Mars summit
Stanford University’s Scott Hubbard, Mars Society Founder Robert Zubrin and Buzz Aldrin in the Humans To Mars lobby—a true meeting of Martian minds.
Journey to Mars


Journey to Mars
Click to enlarge.

Related Links:

Trivia Contest

There will be three winners of Offworld Trading Company, the new and beautiful, engaging and scientifically-accurate economic strategy game set on Mars. A grand prize winner will also get a 200-point astronomy account.

This week's question:

During the current closest approach, how big is the disc of Mars as seen from Earth as measured in arc-seconds?

To submit your answer:

Complete the contest entry form at or write to us at no later than Tuesday, June 7th at 8am Pacific Time. Be sure to include your name and mailing address.

Last week's question:

As seen from above Jupiter north pole, does the Great Red Spot travel clockwise or counterclockwise?


The answer will be revealed next week.

Question from the week before:

Within 24 hours, on what date will the Juno spacecraft enter Jupiter orbit?


The Juno spacecraft will go into orbit at Jupiter on July 4, 2016.

Listen more: Planetary Society Projects, Voyager 1 and 2, OSIRIS-REx, Saturn, Jupiter's moons, data art (was amateur image processing), Ganymede, mission status, human spaceflight, LightSail, Mars, conference report, Bill Nye

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