Gravity Assist

By National Aeronautics and Space Administration (NASA)

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Description

Dr. Jim Green, NASA's director of planetary science, takes you on a guided tour of the solar system and beyond.

Episode Date
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 discover what lies within its core and learn more about how rocky bodies form throughout the solar system.
May 02, 2018
Gravity Assist: TESS & Exoplanets with Martin Still
On Monday, April 16th, NASA is scheduled to launch its newest exoplanet hunter: the Transiting Exoplanet Survey Satellite (TESS).
Apr 12, 2018
Gravity Assist: Explorer 1 & Jim Green’s ‘Gravity Assist’
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.
Mar 01, 2018
Gravity Assist: Science & Science Fiction with Andy Weir
NASA’s Jim Green and bestselling author Andy Weir explore the fascinating intersection of science and science fiction.
Feb 07, 2018
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 learned about Kuiper Belt object 2014 MU69.
Jan 31, 2018
Gravity Assist: 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.
Jan 24, 2018
Gravity Assist: Ice Giants (Uranus & Neptune) with Amy Simon
n this episode of Gravity Assist, NASA’s Jim Green and Amy Simon discuss Uranus, Neptune, and Neptune’s intriguing moon – Triton -- and what we still have to learn about these mysterious bodies.
Jan 17, 2018
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 Mission, which as everyone knows, had a recent spectacular finale at Saturn.
Jan 10, 2018
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, yet it’s shrinking! In this episode of Gravity Assist, Planetary Science Director Jim Green talks with Jared Espley of NASA’s Juno mission.
Jan 03, 2018
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 investigator of NASA's MAVEN mission. Joining them is Michael Meyer the lead Mars scientist at NASA Headquarters.
Dec 20, 2017
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 side of the Moon,” and mysteries we have yet to solve about Earth’s nearest neighbor.
Dec 13, 2017
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 understand how Earth works as a system, how it’s changing, and to assist when natural disasters like hurricanes and earthquakes occur.
Dec 06, 2017
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 surface temperatures scorching enough to melt lead.
Nov 29, 2017
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 Mercury except at dawn or twilight, most of what we know about Mercury is from NASA’s Mariner 10 and MESSENGER missions.
Nov 22, 2017
Gravity Assist Podcast, The Sun with Nicky Fox
We start our “Gravity Assist” virtual tour of the solar system with – where else – the Sun! Jim is joined by Project Scientist Dr. Nicky Fox of the Johns Hopkins University Applied Physics Lab to talk about our fascinating star and NASA’s upcoming Parker Solar Probe—a mission to “touch the Sun.”
Nov 15, 2017
NASA’s New “Gravity Assist” Podcast Debuts Nov. 15, 2017
Hi, I'm Jim Green, NASA's director of planetary science. I'm excited to tell you about a new podcast series. It's called NASA's Gravity Assist. Please join me as I talk with some of the greatest planetary scientists of our time.
Nov 02, 2017