Gravity Assist Podcast
Jim Green (Host): Our solar system is a wondrous place with a single star, our Sun, and everything that orbits around it: planets, moons, asteroids and comets. What do we know about this beautiful solar system we call home? It's part of an even larger cosmos, with billions of other solar systems.
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Feb. 7, 2018 - NASA’s Jim Green and bestselling author Andy Weir explore the fascinating intersection of science and science fiction.
Jan. 31, 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 and the remarkable story of how -- against all odds -- the New Horizons team captured MU69’s fleeting shadow on Earth as the object passed in front of a distant star.
Jan. 24, 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.
Jan. 17, 2018 - In 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. 10, 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.
Jan. 3, 2018 - Our solar system is a wondrous place with a single star, our Sun, and everything that orbits around it - planets, moons, asteroids and comets - what do we know about this beautiful solar system we call home? It's part of an even larger cosmos with billions of other solar systems.
Dec. 20, 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.
Dec. 13, 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.
Dec. 6, 2017 - In this episode of “Gravity Assist,” Jim Green is joined by Tom Wagner of NASA’s Earth Science Division to discuss sea ice, volcanoes, what it’s like to live and work in Antarctica, and how studying planets like Venus and Mars helps provide clues about the future of our home planet.
Nov. 29, 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.
Nov. 22, 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.
Nov. 15, 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 Parker Solar Probe—a mission to “touch the Sun.”