Theworld’sastronomerscametotheirsensesyesterdayandappro...
問題詳情：Theworld’sastronomerscametotheirsensesyesterdayandapprovedanewdefinitionoftheword“planet”thatwoulddroptinyPlutofromtheclubandrelegateitinsteadtoalesserrealmof“dwarfplanets.”Itwasawelcomes...