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astronaut[?str?n?:t]n.宇航员；航天员
Lesson61TroublewiththeHubble哈勃望远镜的困境
1.Hubble[h?bl]n.哈勃2.telescope[telisk?up]n.望远镜3.launch[l?:nt?,lɑ:nt?]v.发射4.space[speis]n.空间(指宇宙空间)5.billion[bilj?n]n.10亿6.faulty[f?:lti]adj.有错误的7.astronaut[?str?n?:t]n.宇航员8.shuttle[??tl]n.航天飞机9.Endeavour[indev?]n.“奋进”号
10.robot－armn.机器手[r?b?t]11.grab[ɡr?b]v.抓12.atmosphere[?tm?,sfi?]n.大气层13.distant[dist?nt]ad.j遥远的14.galaxy[ɡ?l?ksi]n.星系15.universe[ju:niv?:s]n.宇宙16.eagleeyen.鹰眼,一种仪器
1.WhenandbywhomwastheHubbletelescopelaunched?2.WhatwasthetroublewiththeHubblefromthestart?3.HowisNASAgoingtorepairthetelescope?4.WhatwilltheHubbletellus?
1.WhenandbywhomwastheHubbletelescopelaunched?TheHubbletelescopewaslaunchedbyNASAonApril20,1990.2.WhatwasthetroublewiththeHubblefromthestart?Thepicturesitsentuswereverydisappointingbecauseitsmainmirrorwasfaulty!
3.HowisNASAgoingtorepairthetelescope?NASAwillsoonbesendingupfourastronautstorepairit.TheshuttleEndeavourwillbetakingtheastronautstotheHubble.Arobot-armfromtheEndeavourwillgrabthetelescopeandholditwhiletheastronautsmakethenecessaryrepairs.
4.WhatwilltheHubbletellus?TheHubblewilltellusagreatdealabouttheageandsizeoftheuniverse.Howmuchdiditcost?
TheHubbletelescopewaslaunchedintospacebyNASAonApril20,1990atacostofoverabilliondollars.TheHubbletelescopeNASA
telescopeapieceofequipmentshapedlikeatube,usedformakingdistantobjectslooklargerandcloser.throughatelescopeDetailsonthemoonssurfacecanonlybeseenthroughatelescope.n.望远镜
TheHubbleaverypowerfultelescopewhichisattachedtoasatelliteinspace,goingaroundtheEarth,andcanseemuchfurtherintospacethantelescopesonEarth
★launch[l?:nt?]v.①发射launchasatellite发射卫星。②开办，创办创办一个新企业launchanewenterpriselaunchon开始；着手launch
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