Join Donate

Planetary RadioSeptember 29, 2015

Humans Orbiting Mars!

Download MP3

On This Episode
Casey Profile Picture Thumbnail
Casey Dreier

Chief Advocate & Senior Space Policy Adviser, The Planetary Society

Headshot of G. Scott Hubbard
G. Scott Hubbard

Advisory Council, The Planetary Society

Headshot of John Logsdon
John M. Logsdon

Board of Directors of The Planetary Society; Professor Emeritus and founder, Space Policy Institute, The George Washington University

Scott Hubbard and John Logsdon led the Humans Orbiting Mars Workshop last spring. They return with Casey Dreier as the report on that workshop is released to the world. Emily Lakdawalla sizes up NASA’s announcement about water on the surface of Mars right now. Bill Nye calls us on his way toward the Crimson Tide. Bruce Betts honors some big events in space history in our What's Up segment this week.

Journey to Mars


Journey to Mars
Click to enlarge.

Related Links:

Trivia Contest

This week's prizes are a lovely Planetary Radio t-shirt and a 200-point account on the non-profit global network of telescopes, valued at about $200.

This week's question:

Who was the only woman to perform a solo space flight?

To submit your answer:

Complete the contest entry form at or write to us at no later than Tuesday, October 6th at 8am Pacific Time. Be sure to include your name and mailing address.

Last week's question:

What word generally refers to three celestial bodies in a line? (Bruce thinks it’s a funny word.)


The answer will be revealed next week.

Question from the week before:

Who provided the voice of the robot in the classic 60s TV series,“Lost in Space?”


Dick Tufeld provided the voice of the Lost in Space robot, though Bob May was in the tin can.

Listen more: Future Robotic Missions, human spaceflight, Planetary Radio, Mars, conference report, Bill Nye

You are here:
Comments & Sharing
Bill Nye and people
Let's Change the World

Become a member of The Planetary Society and together we will create the future of space exploration.

Join Today

Mat Kaplan
Support Planetary Radio

Keep our weekly radio program broadcasting online and on the air around the world.