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Walkabout the Galaxy

Apr 30, 2020

Former co-host Dr. Tracy Becker joins us to talk about exploring the geysers of Jupiter's moon Europa, the 30th anniversary of the Hubble Space Telescope, and the disappearance of what we thought was a nearby exoplanet. Join us for this special Seussian episode of Walkabout the Galaxy.


Apr 22, 2020

We love antimatter, and we love the matter-antimatter paradox. How come there was just a smidge more matter in the universe than antimatter? Neutrinos, the wispiest of particles, may provide a clue. We also check in on another Earth-like exoplanet, and Jim tackles a sexy stumper, plus space news, astronomy trivia, and...


Apr 15, 2020

We welcome special guest Dr. Zoe Landsman back to the show to tell us about the metal asteroid Psyche and the eponymous mission to visit it. We get an update on an observational test of one of the central pillars of cosmology, and have some spaceship/asteroid/comet trivia to stump the astroquarks. 


Apr 7, 2020

Professor Mohamed Noor, Star Trek Advisor, Dean of Natural Sciences at Duke University, and author of "Live Long and Evolve", comes back to the show to share his thoughts on extraterrestrial organisms big and small. He also shares some behind-the-scenes activity from the Star Trek Cruise. We also learn about a crazy...