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.




Gravity Assist Podcast: Earth with Tom Wagner

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.

Gravity Assist Podcast: Venus with David Grinspoon

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.

Gravity Assist Podcast: Mercury with Faith Vilas

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.

Gravity Assist Podcast: The Sun with Nicky Fox

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.”