Planetary Radio • Sep 29, 2015

Humans Orbiting Mars!

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On This Episode

Casey dreier tps mars

Casey Dreier

Chief of Space Policy for The Planetary Society

Hubbard scott

G. Scott Hubbard

Advisory Council for The Planetary Society

20141028 John Logsdon thumbnail

John M. Logsdon

Board of Directors of The Planetary Society; Professor Emeritus, 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.Image: NASA

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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 [email protected] 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.