The Planets

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The Planets: The Two Sisters Earth and Mars
The Two Sisters Earth and Mars
Season 1  |  Episode 2  |  ABC  |  July 14, 2019

A beautiful water world, an oasis of hope in a sterile universe. But this was not Earth, this was the young Mars. Professor Brian Cox reveals that the solar system was once home to two blue planets.

A beautiful water world, an oasis of hope in a sterile universe. But this was not Earth, this was the young Mars. Professor Brian Cox reveals that the solar system was once home to two blue planets.

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