火星七日

剧情简介：NASA’sPerseveranceroverisonthevergeofchanginghumanity’sfuture.Justoverayearaftertouchingdownontheredplanet,Perseveranceisembarkingonthemostdemandingpartofitsmissiontodate–strikingoutattopspeedforthesitesmostlikelytohousesignsoflife.Tosucceed,theteammustovercomeepicchallengesandtakePerseveranceintounchartedterritory:goingfurtherthananyotherroverandtraversingjaggedterrain-allonahostileplanet300millionkilometresawayfromtheEarth.InthisuniquetelevisioneventforBBCTwoandiPlayer,ProfessorBrianCoxfulfilsachildhooddreambygoingbehindthescenesatNasa’sJetPropulsionLaboratory(JPL),missioncontrolMars.Briansays:"Thenatureoforiginoflifeisoneofthegreatunansweredscientificquestions.HereonEarth,lifewaspresentaround3.8billionyearsago,buttheevidenceforhowitarosehasbeenweatheredawayanderasedbythegeologicalactivityofourplanet.Mars,however,isadifferentstory.ItwasdecidedlyEarth-likeatthesametime,withrain,riversandlakes,butitsoonenteredageologicaldeep-freezefromwhichitneveremerged.IftherewereMartians,theevidencefortheiremergencefromthegeologyandchemistryofayoung,activeworldmaybefarbetterpreserved.ThePerseveranceRover,andtheMarsSampleReturnmissionstofollow,maythereforeansweradeeperquestioneventhan‘IstherelifeonMars?’TheymayrevealhowlifebeginsacrosstheUniverse,includinghereonEarth,andgiveusuniqueinsightintoourownorigins."In1980ayoungBrianCoxwrotetotheJetPropulsionlaboratoryaskingforphotosfromVoyagerandtheVikingmissiontoMars.Thesewereasourceofinspirationthatsethimonthepathtobecomingaphysicist.Now,over40yearslater,hehasbeengrantedprivilegedaccesstoJPL–towitnesstheworkingsofthemissionasitguidesthePerseveranceroverandtheIngenuityhelicopter(thefirstpoweredaircraftwehaveevensenttoanotherplanet)acrossthesurfaceofMars.Overthecourseofaweekhejoinstheteamastheynavigatefollowstherover’severymoveacrossthefloorofJezerocratertowardstheremainsofanancientriverdelta–thatmaycontaintheevidenceofancientlifeonMars.Intheprocess,BrianwillrevealhowthemissioncouldpotentiallytransformourunderstandingoflifenotjustonMarsbutEarthaswell.Thisistheinsidestoryofapioneeringquestintotheunknown.