【英语翻译Perhapsmorethananythingelse,scientistsareeagertofindoutifMartianlifeexistedinthepast---orstillexists.EversincetelescopesfirstzoomedinonMarsinthe17thcentury,peoplehaveconjuredupawildvarietyofimagesorw】

　　英语翻译

　　Perhapsmorethananythingelse,scientistsareeagertofindoutifMartianlifeexistedinthepast---orstillexists.EversincetelescopesfirstzoomedinonMarsinthe17thcentury,peoplehaveconjuredupawildvarietyofimagesorwhatMartiansmigthlooklike.Butspeaceprobeslikethe1997Sojournerlandroverhaveyieldednoevidenceofsuchalienbeings.

　　MostexpertsagreethatiflifedidatonetimeevolveonMars,findingevidenceofthatlifewhichwouldlikelytaketheformoftinyorganismswon'tbeeasy.still,manyscientistsareoptimistic."We'vegotorganismsonEarththatadaptedtolifedeepbelowthesurfaceinundergroundwaterwells,"saysStephenClifford."iflifelikethatevolvedonMarsfourbillionyearsago,there'snoreasonwhyitwouldnotexisttoday."

　　despitelastyear'sdisappointinglosses,thefutureofMartianexplorationlookspromising.Thisyear,twomajorfilmsaboutfictitiousMarsmissions---RedPlanetandMissionstoMars---arecertaintoheighteninterestinourplanetaryneighbor.Moreimportant,plansfornewsetsofNASAorbitersandlanders---onetolaunchin2001,theotherin2003-arealreadyintheworks.Withoutadoubt,eachnewmissionwillinchscientistsclosert0understandingthemysteriesofplanetMars.