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Gravity Assist

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

Ranked #1

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Gravity Assist Podcast, Mercury with Faith Vilas

Gravity Assist Podcast, 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 ... Read more

22 Nov 2017

Ranked #2

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Gravity Assist Podcast: Your Moon Questions Answered

Gravity Assist Podcast: Your Moon Questions Answered

Why do we see only one face of the Moon? What would happen to Earth if the Moon didn't exist? We dive into questions you... Read more

28 Jun 2019

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Ranked #3

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Gravity Assist Podcast, Venus with David Grinspoon

Gravity Assist Podcast, 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... Read more

29 Nov 2017

Ranked #4

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Gravity Assist: The Moon Quakes! With Walter Kiefer

Gravity Assist: The Moon Quakes! With Walter Kiefer

Just like earthquakes help scientists figure out what's going on inside our home planet, moonquakes have taught scientis... Read more

27 Sep 2019

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Ranked #5

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Gravity Assist: The Moon with Sarah Noble

Gravity Assist: 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... Read more

13 Dec 2017

Ranked #6

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Gravity Assist: Fire Fountains on the Moon, with Dave Draper

Gravity Assist: Fire Fountains on the Moon, with Dave Draper

Early in its history, the Moon was molten, with “fire fountains” erupting from its surface. How did the Moon cool down a... Read more

12 Sep 2019

Ranked #7

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Gravity Assist: Mars with Bruce Jakosky and Michael Meyer

Gravity Assist: Mars with Bruce Jakosky and Michael Meyer

With Jim Green today is the “man about Mars,” Bruce Jakosky from the University of Colorado. Bruce is the principal inv... Read more

Ranked #8

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Gravity Assist Podcast: Why Do We Have a Moon? With Robin Canup

Gravity Assist Podcast: Why Do We Have a Moon? With Robin Canup

Learn about how the Moon formed in this conversation with Robin Canup of the Southwest Research Institute.

9 May 2019

Ranked #9

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Gravity Assist Podcast: Beyond Apollo with Planetary Geologist Jake Bleacher

Gravity Assist Podcast: Beyond Apollo with Planetary Geologist Jake Bleacher

It's been 50 years since humans walked on the moon. Now NASA is planning to return, this time to stay. What will future ... Read more

18 Jul 2019

Ranked #10

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Gravity Assist: Earth with Tom Wagner

Gravity Assist: 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 unde... Read more

6 Dec 2017

Ranked #11

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Gravity Assist: Exoplanet Hunting with Jon Jenkins

Gravity Assist: Exoplanet Hunting with Jon Jenkins

Listen to Chief Scientist Jim Green and a co-investigator on the Kepler and TESS missions, Jon Jenkins, discuss exoplane... Read more

1 Aug 2018

Ranked #12

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Gravity Assist: Mars and InSight with Bruce Banerdt

Gravity Assist: Mars and InSight with Bruce Banerdt

With its seismometer and heat probe instruments, InSight will investigate the deep dynamics of Mars, helping scientists ... Read more

2 May 2018

Ranked #13

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Gravity Assist: Astronauts Go Back to Moon School, with Kelsey Young

Gravity Assist: Astronauts Go Back to Moon School, with Kelsey Young

Besides learning how to live in space, astronauts training for Artemis missions to the Moon will need to become experts ... Read more

19 Dec 2019

Ranked #14

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Gravity Assist: The Sun’s Mysteries with Thomas Zurbuchen

Gravity Assist: The Sun’s Mysteries with Thomas Zurbuchen

Thomas Zurbuchen, the Associate Administrator of NASA’s Science Mission Directorate, joins NASA Chief Scientist Jim Gree... Read more

11 Dec 2018

Ranked #15

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Gravity Assist: Mars Dust Storm with Melinda Kahre.

Gravity Assist: 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.

15 Aug 2018

Ranked #16

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Gravity Assist: Jupiter with Jared Espley

Gravity Assist: Jupiter with Jared Espley

As large as 1,000 Earths, Jupiter is the heavy hitter of the solar system. Even its Great Red Spot is larger than Earth,... Read more

3 Jan 2018

Ranked #17

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Gravity Assist: TESS & Exoplanets with Martin Still

Gravity Assist: TESS & Exoplanets with Martin Still

On Monday, April 16th, NASA is scheduled to launch its newest exoplanet hunter: the Transiting Exoplanet Survey Satellit... Read more

12 Apr 2018

Ranked #18

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Gravity Assist: The Moon's Holy GRAIL, with Maria Zuber

Gravity Assist: The Moon's Holy GRAIL, with Maria Zuber

Recent maps of the Moon's gravity have taught us a lot about its overall shape, and have been invaluable for lunar explo... Read more

10 Dec 2019

Ranked #19

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Gravity Assist: Saturn with Linda Spilker

Gravity Assist: Saturn with Linda Spilker

With me today is Dr. Linda Spilker from NASA's Jet Propulsion Laboratory. She's the project scientist for our Cassini M... Read more

10 Jan 2018

Ranked #20

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Gravity Assist: The Kuiper Belt with Alan Stern

Gravity Assist: 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 ... Read more

31 Jan 2018

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