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Planetary RadioMay 31, 2017

Buzz Aldrin and Other Martians

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On This Episode
Saeed Al Gergawi head shot
Saeed Al Gergawi

Program Director, United Arab Emirates Mars 2117 Program

Buzz Aldrin head shot
Buzz Aldrin

Apollo 11 Astronaut

Grant Anderson head shot
Grant Anderson

President and CEO, Paragon Space Development Corporation

Jim Green head shot
James Green

Chief Scientist, NASA

Rebecca Keiser head shot
Rebecca Keiser

Head of the Office of Interational Science and Engineering, National Science Foundation

Marcia Smith head shot
Marcia Smith

Founder and Editor, Space Policy Online

Bill Nye headshot head shot
Bill Nye

Chief Executive Officer, The Planetary Society

Casey Profile Picture Thumbnail
Casey Dreier

Chief Advocate & Senior Space Policy Adviser, The Planetary Society

Bruce Betts Head Shot 2015
Bruce Betts

Chief Scientist / LightSail Program Manager, The Planetary Society

Mat Kaplan
Mat Kaplan

Planetary Radio Host and Producer, The Planetary Society

He walked with Neil Armstrong on the moon, but that may not be his greatest legacy. Buzz Aldrin was joined by other space stars at the recent Humans To Mars Summit. Bill Nye returns with his sense of awe turned up to eleven by the images of Jupiter returned by Juno. Casey Dreier finds good and bad news for science in the White House’s proposed 2018 budget. And there’s a lively night sky to explore in this week’s What’s Up segment.

Apollo Astronaut Buzz Aldrin

Gage Skidmore

Apollo Astronaut Buzz Aldrin

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Trivia Contest

This week's prizes are a Planetary Radio t-shirt, now available in both men’s and women’s styles, a 200-point astronomy account, and a Planetary Radio sticker.

This week's question:

What star has the largest proper motion?

To submit your answer:

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

Last week's question:

What is the name of the US mission that will slam a spacecraft into an asteroid in the 2020s as a kinetic impactor demonstration mission? It will be a test of our ability to change the path of a Near Earth Object.


The answer will be revealed next week.

Question from the week before:

What Near Earth Asteroid will the Hayabusa 2 mission visit and return samples from?


Hayabusa 2 is headed for asteroid 162173 Ryugu.

Listen more: Humans to Mars, Space Policy, mission status, podcasts and videos, FY2018 NASA Budget, Planetary Radio, Planetary Society Political Advocacy, Mars, Juno, Bill Nye, Jupiter

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