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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 4Episode 6May 15, 2020

Season 4, Episode 6: Life’s Building Blocks, with Jason Dworkin

When Earth was just a baby, meteors and asteroids rained down, delivering all sorts of chemicals to our developing planet. These small objects could have delivered the chemicals needed to spark life on Earth for the first time.

Season 4Episode 5May 8, 2020

Season 4, Episode 5: What If We Found Life On Mars?

Imagine a future where the Perseverance Rover actually found definitive evidence of life on Mars. What would happen next? The Explore Mars Society recently held a virtual discussion on this topic with NASA’s chief scientist Jim Green and astrobiologist Penelope Boston from NASA’s Ames Research Center.

Season 4Episode 4May 1, 2020

Season 4, Episode 4: Persevering on Mars, with Mitch Schulte

NASA’s upcoming Mars Perseverance rover, scheduled to launch in July, is bringing a set of technologies to explore the Red Planet in new ways. Mitch Schulte of NASA Headquarters discusses this mission and the effort to explore whether Mars had life in the past, or even now

Season 4Episode 3Apr 24, 2020

Season 4, Episode 3: Could We Find Billion-Year-Old Cholesterol?

Could we find lipids beyond Earth? NASA astrobiologist Lindsay Hays explores this and other topics in her research. She also discusses places interesting for the search for life in our solar system and beyond.