Watching The Planets S1 E2 - Sinehan

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The Planets

S1 E22019

The Two Sisters - Earth & Mars

Episode Synopsis

Professor Brian Cox continues his tour of the solar system revealing that it was once home to not one, but two blue planets.

Next Episodes

A Moment in the Sun - The Terrestrial Planets

Episode 1

The Two Sisters - Earth & Mars

Episode 2

The Godfather: Jupiter

Episode 3

Life Beyond the Sun: Saturn

Episode 4

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