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与国家地理-寻找下一个地球相关的美剧
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Join astronomers in a race to find a planet that can sustain life. Amid all the space in the universe, is there another world like ours? Astronomers studying a nearby star say they' ve found the first potentially habitable planet—likely a rocky place with an atmosphere, temperate regions, and crucially, liquid water, considered vital for life as we know it. Other extrasolar planets have been called Earthlike, but, astronomer Paul Butler assured,
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