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  • BBC Sky at Night

    Q&A WITH A PLANETARY RESEARCH SCIENTIST

    Apr 21, 2022 2 minutes

    Considering how molten Venus’s surface was in its past, how might it have formed a liquid water ocean?

    When we think about the evolution of planets, we envision them beginning their life in a hot and molten state, and as they evolve through time, they emit radiation into space and cool down. So, the key question is whether or not by cooling down, Venus

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