The success of the Double Asteroid Redirection Test was just one more step toward protecting our world from wayward asteroids and comets. NASA Planetary Defense Officer Lindley Johnson, and Kelly Fast, the agency’s near-Earth object observation program manager, return to our show for a discussion of where we go from here. Sarah Al-Ahmed will tell us about an article that locates the water on and under Mars, while Bruce Betts gets us ready to enjoy the upcoming total lunar eclipse. There’s more to discover at https://www.planetary.org/planetary-radio/2022-johnson-and-fast-pdco

Total solar eclipse 2026: Astrophotography and birdsong
57:25

Space Policy Edition: “Science: A New Golden Age” - Reimagining U.S. science policy
1:10:58

LHS 1140b: The first atmosphere detected on a rocky habitable-zone exoplanet
57:19