Scientistshavealwayswantedtoknowmoreabouttheunivers...
問題詳情: Scientistshavealwayswantedtoknowmoreabouttheuniverse(宇宙)Yearsagotheyknewmanythingsaboutthemoon.theyknewhowbigitwasandhowfarawayitwasfromtheearth,buttheywantedtoknowmoreaboutit.Theyth...