The Universe

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The Universe: Mercury and Venus - The Inner Planets (44:20)

Scorched by their proximity to the sun, Mercury and Venus are hostile worlds, prime examples of planets gone awry. Do they serve as a warning for ominous scenarios that might someday threaten Earth?

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  • The Universe: Mercury and Venus - The Inner Planets
    The Universe: Mercury and Venus - The Inner Planets

    Video Clip (44:20)

    Scorched by their proximity to the sun, Mercury and Venus are hostile worlds, prime examples of planets gone awry. Do they serve as a warning for ominous scenarios that might someday threaten Earth?

    Video Clip (44:20)