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Planetary RadioJuly 5, 2016

Fighting for Space: Former NASA Deputy Administrator Lori Garver

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On This Episode
Lori Garver head shot
Lori Garver

Former Deputy Administrator, NASA

She has spent most of her life working toward a bright future for humanity in space, and Lori Garver has lost none of her passion. She visited the Planetary Society for a wide-ranging conversation with Mat Kaplan. Join Emily Lakdawalla as we hear Juno enter the realm of Jupiter. Digital Editor Jason Davis takes us to the spectacular test of a vital Space Launch System rocket engine. Celebrating the 4th of July in space with Bruce Betts.

Lori Garver shares with young people at Politicon

Mat Kaplan

Lori Garver shares with young people at Politicon
Politicon panel with Casey Dreier, Bill Adkins, Lori Garver and Bill Nye

Mat Kaplan

Politicon panel with Casey Dreier, Bill Adkins, Lori Garver and Bill Nye

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Trivia Contest

This week's prizes are a Planetary Radio t-shirt, a Planetary Society rubber asteroid and a 200-point astronomy account.

This week's question:

What is the total power output of Juno at the distance of Jupiter from the Sun?

To submit your answer:

Complete the contest entry form at or write to us at no later than Tuesday, July 12th at 8am Pacific Time. Be sure to include your name and mailing address.

Last week's question:

What is the ratio of the equatorial surface gravity of the Sun to the force or pull of gravity at the surface of the Earth? (We’ll define the “surface” of the Sun as the edge of the photosphere or visible surface.)


The answer will be revealed next week.

Question from the week before:

What is the approximate ratio of the mass of Earth’s Moon to the mass of Pluto?


The ratio of our moon’s mass to Pluto’s is about 5.6.

Listen more: Space Launch System, Humans to Mars, Space Policy, Orion, mission status, personal stories, Planetary Radio, Juno, Jupiter

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