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Gravity Assist
Dr. Jim Green, NASA's director of planetary science, takes you on a guided tour of the solar system and beyond.
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Ratings & Reviews
4.6 stars from 351 ratings
Love this
My 10 year old son and I listen to this on our 1/2 hour commute to school in the mornings. I love watching him get excited about space and learning about all the awesome things NASA is up to. I especially love hearing about what inspired all these great scientists to get where they are today....Read full review »
spacesuzyq via Apple Podcasts · United States of America · 10/23/19
I learn something every episode!
I really enjoy listening to this podcast. The host is excellent, he’s so enthusiastic and knowledgeable and it really comes through in the discussions. So fascinating! I love NASA!
amandamystery via Apple Podcasts · United States of America · 10/04/19
Ringing noise driving me crazy
Please remove this annoying background audio from the otherwise great show.
Andyr354 via Apple Podcasts · United States of America · 09/30/19
Recent Episodes
Just like earthquakes help scientists figure out what's going on inside our home planet, moonquakes have taught scientists a lot about the interior of the Moon.
Published 09/27/19
Early in its history, the Moon was molten, with “fire fountains” erupting from its surface. How did the Moon cool down and become the quiet, cratered world we know today? NASA’s Chief Scientist Jim Green chats with NASA’s Deputy Chief Scientist Dave Draper about the Moon’s volcanic past and what...
Published 09/12/19
From lunar samples brought back in the Apollo program, scientists have figured out that the Moon once had a shield around it called a magnetosphere, just like the Earth has today. As NASA prepares to send humans to the Moon, and eventually on to Mars, scientists are exploring the Moon's magnetic...
Published 08/23/19
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