Gravity Assist

Latest Episodes:

Season 1, Episode 7: Jupiter with Jared Epsley Jan 03, 2018

Show notes

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.

Season 1, Episode 6: Mars with Bruce Jakosky and Michael Meyer Dec 20, 2017

Show notes

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.

Season 1, Episode 5: The Moon with Sarah Noble Dec 13, 2017

Show notes

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 1, Episode 4: Earth with Tom Wagner Dec 06, 2017

Show notes

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 1, Episode 3: Venus with David Grinspoon Nov 29, 2017

Show notes

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 1, Episode 2: Mercury with Faith Vilas Nov 22, 2017

Show notes

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.

Season 1, Episode 1: The Sun with Nicky Fox Nov 15, 2017

Show notes

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.”

NASA’s New “Gravity Assist” Podcast Debuts Nov. 15, 2017 Nov 02, 2017

Show notes

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.

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