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Podcast: Walkabout the Galaxy
Episode: Life on Mars Killed Life on Mars
Description: We absolutely definitely have not seen any life on Mars. That said, new research suggests that over 3 billion years ago there may have been a certain kind of habitable climate on Mars for some little critters whose effects on the atmosphere would have made Mars - wait for it - uninhabitable! Join us for this and the most powerful gamma ray burst yet observed.