状态：HD
年份：2011
类型：纪录片
地区：美国
简介：Scientistsareonthevergeofansweringone..Scientistsareonthevergeofansweringoneofthegreatestquestionsinhistory:Arewealone?FindingLifeBeyondEarthimmersesaudiencesinthesightsandsoundsofalienworlds,whiletopastrobiologistsexplainhowtheseplacesarechanginghowwethinkaboutthepotentialforlifeinoursolarsystem. 展开
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