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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 1Episode 5Dec 13, 2017

Season 1, Episode 5: The Moon with Sarah Noble

Jim Green is joined by lunar expert Sarah Noble to discuss how the Moon was formed, lava tubes and moonquakes, the “dark side of the Moon,” and mysteries we have yet to solve about Earth’s nearest neighbor.

Season 1Episode 4Dec 6, 2017

Season 1, Episode 4: Earth with Tom Wagner

NASA not only seeks to unravel the secrets of the solar system and the universe, we have a robust program to better understand how Earth works as a system, how it’s changing, and to assist when natural disasters like hurricanes and earthquakes occur.

Season 1Episode 3Nov 29, 2017

Season 1, Episode 3: Venus with David Grinspoon

The next stop on our virtual tour is Venus, the closest planet to Earth and the hottest planet in our solar system, with surface temperatures scorching enough to melt lead.

Season 1Episode 2Nov 22, 2017

Season 1, Episode 2: Mercury with Faith Vilas

Our virtual tour of the solar system continues with Mercury, the closest planet to the Sun. Since it’s tough to observe Mercury except at dawn or twilight, most of what we know about Mercury is from NASA’s Mariner 10 and MESSENGER missions.