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Ep. 626: Terrestrial Planets - Mercury, Venus, Earth & Mars

Astronomy Cast

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The Goldilocks Problem

Venus and mars both, for roughly the first three billion years of their lives, i were able to support liquid oceans in their low lying areas. And this gets to the whole idea though, why did they both die? The diverging history of these three worlds gives us a new view that we didn't even imagine last time we talked about these worlds on just how the goldilocks problem isn't a problem for to day, it's a problem for how things evolved over time.

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