WhenGeoffMarcywas14,hisparentsboughthimatelescope.Every...
问题详情：WhenGeoffMarcywas14,hisparentsboughthimatelescope.Everynight,hewouldgoontotheroofoutsidehiswindowtoseethewondersofthesky.“Whatexcitedmemostwaswhethertherewereplanetsinothersolarsystemswhereli...