How the Universe Works S1E8: Moons (aka Alien Moons)
- Aired: 2010-05-24
- Time: 23:00:00
- Runtime: 60 minutes
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Overview
Moons come in every possible shape and size. Home to incredible natural phenomena like gigantic geysers and colossal volcanoes, moons also offer perhaps the best chance of finding alien life in the Universe - and they probably exist in the billions.