Planetary Radio • Aug 23, 2016

Could the Soviet Union Have Won the Space Race?

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On This Episode

20141028 John Logsdon thumbnail

John M. Logsdon

Board of Directors of The Planetary Society; Professor Emeritus, George Washington University

Space historian and policy expert John Logsdon joins Mat Kaplan for a fascinating conversation about how the US could have lost the race to the moon. Emily Lakdawalla prepares us for the launch of OSIRIS-REx to asteroid Bennu. Bill Nye looks forward to the great North American total solar eclipse. What the current night sky offers, and a new space trivia contest make this week’s What’s Up segment shine.

Scale rendering of the Soviet LK moon lander next to the U.S. Lunar Module
Scale rendering of the Soviet LK moon lander next to the U.S. Lunar Module Image: Eberhard Marx

This week's question:

What is the apparent brightness ranking of the Scorpius star Antares in the night sky?

To submit your answer:

Complete the contest entry form at or write to us at [email protected] no later than Tuesday, August 30th at 8am Pacific Time. Be sure to include your name and mailing address.

Last week's question:

If you designed an Olympic event for another world in our solar system, what would it be and where would it be? Mat and Bruce will very subjectively judge the coolness and/or humor of responses.


The answer will be revealed next week.

Question from the week before:

What is the name of the second tallest mountain on Mars?


Ascraeus Mons is the 2nd tallest mountain on Mars, at something like 18,209 meters, or more than double the height of Mount Everest.