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Gravity Assist

NASA’s interplanetary talk show, hosted by former Chief Scientist Jim Green, introduces you to space professionals working to take exploration into the future.

Gravity Assist: Season 5 Trailer – What’s Your Gravity Assist?
Season 2Episode 9Sep 26, 2018

Season 2, Episode 9: Planetary Defense and Oumuamua with Kelly Fast

NASA Chief Scientist Jim Green sits down with Dr. Kelly Fast, a planetary astronomer to discuss planetary defense and Oumuamua.

Season 2Episode 8Sep 11, 2018

Season 2, Episode 8: Sunspots and Solar Flares with Alex Young

NASA Chief Scientist Jim Green sits down with solar scientist Alex Young to discuss the Sun’s powerful explosions.

Season 2Episode 7Aug 15, 2018

Season 2, Episode 7: Mars Dust Storm with Melinda Kahre.

Listen in as NASA Chief Scientist Jim Green discusses the Mars dust storm with a dust storm expert, Melinda Kahre.

Season 2Episode 6Aug 1, 2018

Season 2, Episode 6: Exoplanet Hunting with Jon Jenkins

Listen to Chief Scientist Jim Green and a co-investigator on the Kepler and TESS missions, Jon Jenkins, discuss exoplanet-hunting and all the amazing discoveries Kepler has made.