Trouble with the Hubble美文欣賞
TroublewiththeHubble哈勃望遠鏡的困境TheHubbletelescopewaslaunchedintospacebyNASAonApril20,1990atacostofoverabilliondollars.RightfromthestarttherewastroublewiththeHubble.Thepicturesitsentuswereverydisa...
The Hubble一隻望遠鏡的革命英語美文
TheHubble一隻望遠鏡的革命Whenmostpeoplethinkofspace,whatcometomindarenameslikeJohnGlennandNeilArmstrong.Whenscientiststhinkaboutspace,thenamethatcomestomindisHubble,aspacetelescopewesentonatwenty-year...