Followingnewsofthepotentialforlifeontherecently-discove...
问题详情：Followingnewsofthepotentialforlifeontherecently-discoveredTRAPPIST-1system,theremaybeanothercompetitorreadytotakeitsplace. WiththehelpoftheCassinispacecraft,NASA(NationalAeronauticsandSpaceAd...