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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 1Mar 1, 2018

Season 2, Episode 1: Explorer 1 with Jim Green

The year was 1958; the space race was on. NASA’s first space satellite, Explorer 1, launched a Geiger counter and miniature tape recorder into space that registered astonishingly high radiation levels above Earth. This discovery gave humanity its first glimpse of the Van Allen radiation belts, named for James Van Allen.

Season 1Episode 12Feb 7, 2018

Season 1, Episode 12: Science and Science Fiction with Andy Weir

NASA’s Jim Green and bestselling author Andy Weir explore the fascinating intersection of science and science fiction.

Season 1Episode 11Jan 31, 2018

Season 1, Episode 11: The Kuiper Belt with Alan Stern

In this episode of Gravity Assist, Jim Green talks with New Horizons Principal Investigator Alan Stern about what we’ve learned about Kuiper Belt object 2014 MU69.

Season 1Jan 24, 2018

Gravity Assist Podcast, Pluto with Alan Stern

In this episode of Gravity Assist, Jim Green talks with New Horizons Principal Investigator Alan Stern of the Southwest Research Institute about what the July 2015 flyby of Pluto revealed about this mysterious and diverse world.