导读:DistanceLendsEnchantmenttotheView苏海涛湖北省当阳市当阳一中高二阅读书目:探索太空ExploringSpace(国家地理科学探索...
DistanceLendsEnchantmenttotheView苏海涛湖北省当阳市当阳一中高二阅读书目:探索太空ExploringSpace(国家地理科学探索丛书)Lookingatdarkskyatnightforawhile,youmayseearedstar。Ithasdazzlingcolor。Peoplecallit“Mars”。Inthesolarsystem,beyondthethirdplanet,thefourthoneis“Mars”。ItisaplanetwhichisfarawayfromEarth,about2hundredmillionkilometersonaverage。Itissocharmingthatmanyscientistsandpeoplewanttogothere。Yes,distancelendsenchantmenttotheview。Exploringspaceisnotaseasyasyoumightthink。Itisbeyondyourimagination。Scientistsstillmakegreatcontributionstoexploringspaceandtheyalsogetgoodresults。Spaceexplorationisdevelopingsuccessfully。Scientistshavemadegreatprogresswiththisprojectinonlyafewyears’time。Inthepastfiftyyears,peoplehavelaunchedmanydetectorsintotheunknownuniverseandplanets。However,mostofthemendedwithfailure。Thesedetectorsstillhelpedthescientistsandpeopletoknowmoreaboutthisscience。ThefirsttimetheylaunchedthedetectorstoMarswasin1960s。Fromthenon,twosupercountries,AmericaandtheSovietUnion,startedacompetitiontoexploreMars。TheyneverstoppedlaunchingdetectorstoMars。Eveniftwothirdsofthemfailed。However,itdidn’tstopusfromexploringspace。Distanceshouldnotbeanobstacletoexploringspace。Atthebeginningof2004。NASALaunchedtwodetectorstoMars,andbothofthemlandedsafty。TheysentmanyusefulinformationtoEarth。Itwasreallyexcitingnews!Beforethat,adetectorlaunchedbyEuropewaslostinUniverse。Itwasashocktothescientificcommunity,buttheywillnevergiveup。Asamatteroffact,thepurposeoflaunchingsomanydetectorstospaceistofindaplanetwithlifeandthebasicelement–water。ThemoonisfarawayfromEarth,butitistheneareststartoEarth。Peoplehavebeenfascinatedbythemoonsinceancienttimesuntil1969whenastronautsfromAmericalandedonthemoon。Theyfoundthatthemoonwasjustasatellite,withoutwater,air,atmosphereandlife,sopeople’sfantasiesaboutmoonwerebroken。Themoonisareal“Wide-coldPalace”,italsohasverybadweather,extremelycoldatnightandextremelyhotduringdaytime。Nothingcansubsistonthemoon。Whentheastronautslandedonthemoon,itwasasifthedistancewentfrom380thousandkilometerstozerokilometers。Allthebeautifulfantasiesandlegendsaboutmoonwerebroken,sopeoplenowaimtheireyesonMars。TheyhopethatonedaytheastronautscansteponMarsandrealizeournewdream。Sinceweknowthetruthofmoon,itisnotsotemptingtous。Butpoemsaboutthemooncanstillgiveussomeyearning。Comparethebeginningsofspacetravelwithexploringspacetoday。Theexplorationofspacetodayismoreuseful。ManypeoplearefondofMarsbecauseamongthenineplanetsinthesolarsystemitisthemostsimilartoEarth,sowecallthem“BrotherPlanets”。OnMars,thereisathinatmospherelayandsomeoxygen。Thedetectorshavefoundthatthereonceexisitedwater。Duetothelowgravity,thewaterallranintospace。Theexplorationofspaceisnotonlyhelpingusknowmoreabouttheunknownspace,butalsotellingusawaytothenewscienceandpossiblyahomeland。Inotherwords,peoplemayrealizethedreamoflivingonanotherplanets。Eventhoughweknewmoonwellnow,ithasmanytouchinglegendsnancienttimes。Chang’eisabeautywhoatetheelixirandthenflewtothemoon,shelivedinthe“Wide-ColdPalace”(MoonPalce)withajaderabbit。Wugangalwayscutdownthesweet-scentedosmanthustreesonmoonasapunishment。Thoughtheselegendsarenottrue,wecanstillstoretheminourmemories。 chr()chr()12