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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 1Jan 28, 2022

Gravity Assist: Meet NASA’s New Chief Scientist, Kate Calvin

Climate change is one of the most important issues facing our planet, and NASA has lots of space missions and programs in the works to monitor and understand its drivers and effects. Kate Calvin, NASA’s new chief scientist, is also the agency’s senior climate advisor. In this episode, Kate previews  upcoming Earth science missions and discusses cut

Season 5Episode 19Dec 3, 2021

Season 5, Episode 19: A New Set of X-Ray Eyes is Launching

NASA is about to launch a new spacecraft to look at the universe in X-ray light. The Imaging X-Ray Polarimetry Explorer, IXPE, will look at extreme objects such as black holes, neutron stars, and supernovae, asking fundamental questions about how high-energy light gets produced.

Season 5Episode 18Nov 19, 2021

Season 5, Episode 18: How to Move an Asteroid, with Nancy Chabot

NASA’s Double Asteroid Redirection Test Mission, or DART, will deliberately impact a small asteroid called Dimorphos to deflect its orbit around a bigger object, Didymos. Nancy Chabot, planetary scientist at the Johns Hopkins University Applied Physics Laboratory, has the details.

Season 5Episode 17Oct 29, 2021

Season 5, Episode 17: Solar Power for the Moon

As NASA prepares to send astronauts to the Moon through the Artemis program, engineers are working on technologies that will give these explorers power – solar power, that is. In space, the harsh radiation and huge temperature changes make for a challenging environment.