Astrophysicists Sam Grunblatt and Johanna Vos are colleagues at the American Museum of Natural History in New York. Sam’s team has discovered giant worlds that are about to be devoured by their expanding stars, while Johanna has detected weather on brown dwarfs, those plentiful worlds that are bigger than planets but smaller than stars. Later, Bruce Betts takes the Olympics beyond the edge of our solar system with this week’s space trivia contest. Discover more at https://www.planetary.org/planetary-radio/2022-grunblatt-vos-brown-dwarfs-giant-worlds-near-end

Did an impact trigger cryovolcanism on Umbriel?
59:57

Book Club Edition: Planetary Society Chief Scientist Bruce Betts’ latest for kids
56:54

A new chapter at The Planetary Society: Jennifer Vaughn becomes CEO
59:58