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Gravity Assist

National Aeronautics and Space Administration (NASA)

4 FANS
Dr. Jim Green, NASA's director of planetary science, takes you on a guided tour of the solar system and beyond.
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0:00 | Aug 23rd

From lunar samples brought back in the Apollo program, scientists have figured out that the Moon once had a shield around it called a magnetosphere, just like the Earth has today. As NASA prepares to send humans to the Moon, and eventually on to Mars...Show More

0:00 | Jul 18th

It's been 50 years since humans walked on the moon. Now NASA is planning to return, this time to stay. What will future lunar missions look like? Why do we go back at all?

0:00 | Jun 28th

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 asked on social media.

0:00 | Jun 21st

Learn how Moon rocks can reveal all kinds of information about our nearest neighbor, as NASA prepares to send astronauts to the Moon and on to Mars.

0:00 | Jun 13th

The Lunar Reconnaissance Orbiter, launched 10 years ago this month, has made groundbreaking discoveries about the Moon, and will pave the way for future human exploration with NASA's Artemis mission.

0:00 | Jun 6th

NASA's Artemis program will send astronauts to the lunar south pole by 2024, where there is a giant impact crater. Learn how craters teach us about the history of both the Moon and Earth.

0:00 | May 30th

The Moon has a large supply of water that could be useful in future human exploration, says NASA scientist Jennifer Heldmann.

0:00 | May 2nd

With NASA planning to send astronauts to the Moon by 2024, Steve Mackwell chats about the Moon’s exciting unexplored areas.

0:00 | Apr 24th

Steven Clarke, the Deputy Associate Administrator for Exploration at NASA, talks about NASA’s plans to partner with companies for delivering new instruments and technology demonstrations to the Moon.

0:00 | Apr 11th

NASA’s got big plans to send people to the Moon, and then on to Mars. What are we going to do at the Moon?

0:00 | Dec 11th, 2018

Thomas Zurbuchen, the Associate Administrator of NASA’s Science Mission Directorate, joins NASA Chief Scientist Jim Green to discuss the mysterious we still need to solve about the Sun, and more!

0:00 | Sep 26th, 2018

NASA Chief Scientist Jim Green sits down with Dr. Kelly Fast, a planetary astronomer to discuss planetary defense and Oumuamua.

0:00 | Aug 15th, 2018

Listen in as NASA Chief Scientist Jim Green discusses the Mars dust storm with a dust storm expert, Melinda Kahre.

0:00 | Aug 1st, 2018

Listen to Chief Scientist Jim Green and a co-investigator on the Kepler and TESS missions, Jon Jenkins, discuss exoplanet-hunting and all the amazing discoveries Kepler has made.

0:00 | Jul 17th, 2018

NASA has been on the lookout for any asteroid that could cause our planet harm and, in the thousands of objects found, determined that none poses a threat to Earth.

0:00 | May 2nd, 2018

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.

0:00 | Apr 12th, 2018

On Monday, April 16th, NASA is scheduled to launch its newest exoplanet hunter: the Transiting Exoplanet Survey Satellite (TESS).

0:00 | Mar 1st, 2018

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 fir...Show More

0:00 | Feb 7th, 2018

NASA’s Jim Green and bestselling author Andy Weir explore the fascinating intersection of science and science fiction.

0:00 | Jan 31st, 2018

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.

0:00 | Jan 24th, 2018

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.

0:00 | Jan 17th, 2018

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.

0:00 | Jan 10th, 2018

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.

0:00 | Jan 3rd, 2018

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 Jun...Show More

0:00 | Dec 20th, 2017

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.

0:00 | Dec 13th, 2017

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.

0:00 | Dec 6th, 2017

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.

0:00 | Nov 29th, 2017

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.

0:00 | Nov 22nd, 2017

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.

0:00 | Nov 15th, 2017

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 Pa...Show More

0:00 | Nov 2nd, 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.