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Episode 247: Icy Craters

Play Nov 12•4:18

Astronomers using the Mars Reconnaissance Orbiter have located some new craters on the surface of Mars. This isn't unusual - the surfaces of planets and moons are pocked by plummeting space rocks happen all the time. But this time, the craters were so fresh that scientists were able to see water ice within them. Apparently the small impacts had exposed a layer of ice beneath Mars' dust. Hig...

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