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National Aeronautics and Space Administration (NASA)

Gravity Assist

On the Gravity Assist podcast we have interviewed dozens of scientists, engineers, and others dedicated to the mission of NASA space exploration. After five years, the show is coming to a close. Here are some final thoughts and episode highlights from the podcast team.

Season 5, Episode 32: Finale: Thanks for All the Gravity Assists

The James Webb Space Telescope awed the world on July 12 with its first images and data. And it’s just getting started with its exploration of the cosmos. Dr. John Mather, the observatory’s senior project scientist, has been working toward this milestone for more than 25 years.

Season 5, Episode 31: Meet a Webb Scientist Who Looks Back in Time

The world will get a first glimpse of the universe as never before when the first images from the James Webb Space Telescope come out on July 12. And this is only the beginning — the telescope will deliver all kinds of insights about galaxies, planets, and more, for years to come.

Season 5, Ep. 30: Gravity Assist: How We Make Webb (and Hubble) Images

Uranus and Neptune are two of the many exciting and mysterious objects in our universe that the James Webb Space Telescope will soon begin to explore. Learn more about these planets and the Webb telescope’s upcoming observations from astrophysicist Naomi Rowe-Gurney, our guest on this week’s Gravity Assist.

Gravity Assist: It’s Raining Diamonds on These Planets

With two microphones aboard the Perseverance rover, we can listen to Mars from its surface like never before. In addition to hearing how wind sounds on Mars, we can also listen to Perseverance driving on the surface, the Ingenuity helicopter flying nearby, and more.

Season 5, Episode 28: This is What Mars Sounds Like, with Nina Lanza

Astronauts on the International Space Station have been conducting experiments to grow food, including peppers and radishes. Christina Johnson, a NASA postdoc fellow at NASA's Kennedy Space Center in Florida, has been working on a variety of techniques to grow food in space. Learn what she thinks about the future of growing food beyond our planet.

Season 5, Episode 27: What Will We Eat on Mars?

Space botanists are working on strategies to grow crops on the lunar surface, as NASA makes strides toward sending astronauts to the Moon through the Artemis program.

Season 5, Episode 26: How to Grow Food on the Moon

An ice shelf collapsed in East Antarctica in March 2022, concerning scientists who track melting glaciers, sea level rise, and other effects of climate change.

Season 5,Episode 25: Walking on Broken Ice, with Catherine Walker

On a quest to find out if we are not alone in the universe, Ravi Kopparapu at NASA Goddard studies how we could use telescopes to detect signs of life beyond our solar system.

Season 5, Episode 24: Do Other Planets Make Pollution?

How do we know if a rock came from the Moon, Mars, or an asteroid? Planetary scientist Neyda Abreu has looked inside all kinds of meteorites to understand where they came from and what’s inside them. She also traveled to Antarctica to hunt for space rock treasure.

Season 5, Episode 23: These Space Rocks Have Seen It All

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

Season 2, Episode 9: Planetary Defense and Oumuamua with Kelly Fast

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