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Walkabout the Galaxy

Feb 2, 2022

Mimas, the heavily battered "death star" moon of Saturn, may harbor a sub-surface ocean of liquid water like its neighbor, Enceladus. Water may have flowed on the surface of Mars more recently than previously thought, and there's a new denizen in the menagerie of peculiar pulsars. Learn all about it and test your pulsar trivia knowledge.