- 问题详情:ThankslargelytotheKeplerspacetelescope,astronomershavediscoveredmorethan2,000planetsintheuniverse.Kepler’sfinalgoalistofindworldssimilartoEarth-placeswherethere’sachancethatalienlifemightexist.Butthesearchforlifewillstillnotbeeasy.Itwillbei...
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