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Scorched by their proximity to the sun, Mercury and Venus are hostile worlds. One is gouged with craters from cosmic collisions, and the other is a vortex of sulfur, 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? Cutting-edge computer graphics are used to show what life would be on other planets and to imagine what kind of life forms might evolve in alien atmospheres.
