The Red Planet is slowly revealing its deepest secrets, but there’s much more to learn. The biggest mystery is whether it has ever been home to life. Caltech and JPL planetary scientist Bethany Ehlmann lays out the path ahead in a fascinating conversation. The holiday night sky is alive with stars, planets and even a meteor shower. Bruce Betts will tell all in What’s Up. Our last episode of the year opens with space exploration headlines from the Planetary Society’s news digest, The Downlink. Learn more and enter the space trivia contest at https://www.planetary.org/multimedia/planetary-radio/show/2019/1225-2019-bethany-ehlmann-mars.htmlSee omnystudio.com/listener for privacy information.See omnystudio.com/listener for privacy information.

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