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《NASA Facts Apollo 17 Preflight Summary.pdf》由会员上传分享，免费在线阅读，更多相关内容在学术论文-天天文库。
1、ANATIONALAERONAUTICSANDSPACEADMINISTR~,"TIMANEDSPACECRAfTCENTERPUBLICAFFAIRSOFFICEHouston,TexaspL17RFliTSRYAcombinationmountainhighlandandvalleylow•ThecurrentmodelshowsacomplexMoonaboutlandregiondesignatedTaurus-Littrowisthelanding4-V2billionyearsoldwhichwassubjectedtointensesiteforApollo
2、17,thesixthandfinalApollolunarcratering.Apollo14and15datashowthatoneoflandingmission.Theflightcurrentlyisplannedforthelastlargebasins,Imbrium,wasformedbyanDecember1972.impact3.9billionyearsago.Taurus-Littrowisabout20degreesnorthandItwasnotnntiltheperiodfrom3.2to3.7bil•30degreeseastofthece
3、nteroftheMoonasviewedlionyearsago,however,thatthegreatbasins,formedfromEarth.ThesiteisnamedfortheTaurusMoun•duringtheintensecrateringphase,becamefloodedtainsandthecraterLittrow.Bothlietothenorthbymoltenlavasoriginatinginthelunarinterior.ofthelandingpoint.Oneofthekeyquestionsremainingistou
4、nder•Explorationofthesiteisexpectedtoanswerstandwhathappenedintheperiodbetween3.7andquestionsabout(1)theearlycrustoftheMoon,4.5billionyears.Similarly,itisimportanttounder•(2)largeearlyimpacts,and(3)youngvolcanicrock.standwhetherornottheMoonhasbeenthermallyinactiveforthelast3.2billionyears
5、.GeneCerncmHarrisonSchmiHRonEvansApollo17CommanderlunarfoJ~gdulePHo!'CommandModulePi/o;IftheMoon,asthepreferredmodelsindicate,hasindeedcooledfromtheoutsidein,theseyoungestlunarvolcanicsshouldbederivedfromthegreatestdepthsandmaygivethefirstgoodsamplesofthedeeplunarinterior.Theastronautswil
6、lusetheLunarRovingVehicletotransportthemtolocationsdeterminedpriortothemissionandtootherpointstheymightselectduringtheirexploration.Contingencywalkingtraversesalsowillbeplannedtoaccomplishasmanyofthescientificobjectivesaspossible.TheastronautswilldeployanadvancedApolloLunarSurfaceExperime
7、ntsPackage(ALSEP)con•tainingaHeatFlowExperimentsimilartothatdeployedonApollo14andplannedforApollo17,aswellasfournewexperiments.Inaddition,twonewsurfacetraverseexperiments,notpoweredbytheALSEPCentralStation,willbedeployed.Thesenewexperimentsrepresentsecondgenerations
