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Mapping Venus--New analysis supports theory that Venus’ surface evolved through extreme makeover, not plate tectonics(图)
Venus Venus’ surface plate tectonics
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2010/3/24
Venus and Earth have long been thought of as sister planets. Given its similar size and proximity to Earth in the inner Solar System, Venus might seem like a promising candidate for having a surface t...
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Taking space in stride--New analysis could lead to better lunar, Mars spacesuits(图)
space lunar Mars spacesuits space suit
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2009/8/18
Anyone who has watched videos of the Apollo astronauts moving across the surface of the moon has noticed the unusual loping gait they sometimes adopted and their slow, almost graceful, movements. Now ...