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2007     1:30:00    2891 Views

The Inner Planets: Mecury and Venus

The Inner Planets: Mecury and Venus

Scorched by their proximity to the sun, Mercury and Venus are hostile worlds; one gouged with craters from cosmic collisions and the other a vortex of sulphur, carbon dioxide and acid rain. Prime examples of planets gone awry, do they serve as a warning for ominous scenarios that might someday threaten Earth?

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