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How the Universe Works - Moons
Seizoen: 1 - Aflevering: 8 / 8 - Eerst uitgezonden: 24 mei 2010 - Episode ID: 525357
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.