《旅行到宇宙边缘》英文解说.docx
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《旅行到宇宙边缘》英文解说.docx
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《旅行到宇宙边缘》英文解说
《旅行到宇宙边缘》英文解说
Ourworld.warm,comfortable,familiar......Butwhenwelookup,wewonder:
Doweoccupyaspecialplaceinthecosmos?
OrarewemerelyacelestialfootnoteIstheuniversewelcomingorhostile?
Wecouldstandhereforever,wonderingOrwecouldleavehomeontheultimateadventureTodiscoverwonders
Confronthorrors
Beautifulnewworlds
Malevolentdarkforces
TheBeginningoftime.
Themomentofcreation.
Wouldwehavethecouragetoseeitthrough?
Orwouldwerunforhome?
There'sonlyonewaytofindout
Ourjourneythroughtimeandspacebeginswithasinglestep.
Attheedgeofspace,only60milesup......justanhour'sdrivefromhomeDownthere,lifecontinues.
Thetrafficisawful,stocksgoontrading...andStarTrekisstillshowingWhenwereturnhome,ifwereturnhome......willitbethesame?
Willwebethesame?
Wehavetoleaveallthisbehind
TodipouttoesintothevastdarkoceanOntotheMoon.
DozensofastronautshavecomethiswaybeforeusTwelvewalkedonthemoonitself
Justaquarterofamillionmilesfromhome.Threedaysbyspacecraft
Barren.
Desolate.
It'slikeadesertedbattlefield
Butoddlyfamiliar.
Soclose,we'vebarelylefthome
NeilArmstrong'sfirstfootprints.LooksliketheyweremadeyesterdayThere'snoairtochangethem.
TheycouldsurviveformillionsofyearsMaybelongerthanus.
Ourtimeislimited
Weneedtotakeourowngiantleap
Onemillionmiles,5million,20millionmiles.We'refarbeyondwhereanyhumanhaseverventuredOutofthedarkness,afriendlyface
Thegoddessoflove,Venus.
Themorningstar.
Theeveningstar.
Shecanwelcomethenewdayintheeast...
...saygoodnightinthewest
Asistertoourplanet...
...she'saboutthesamesizeandgravityasEarth.Weshouldbesafehere
ButtheVenusExpressspaceprobeissettingoffalarmsIt'stellingus,thesedazzlingclouds,they'remadeofdeadlysulfuricacid
TheatmosphereischokingwithcarbondioxideNeverexpectedthisVenusisoneangrygoddess.Theairisnoxious,thepressureunbearable.Andit'shot,approaching900degrees
Stickaroundandwe'dbecorrodedsuffocated,crushedandbakedNothingcansurvivehere.
NoteventhisSovietroboticprobe.
Itsheavyarmor'sbeentrashedbytheextremeatmosphere.SolovelyfromEarth,upclose,thisgoddessishideousShe'sthesisterfromhell.
Pockmarkedbythousandsofvolcanoes
AllthatcarbondioxideistrappingtheSun'sheat.Venusisburningup.
It'sglobalwarminggonewild
Beforeittookhold,maybeVenuswasbeautiful,calm......morelikehersisterplanet,Earth.
SothiscouldbeEarth'sfuture
Wherearethetwinklingstars?
Thebeautifulspheresglidingthroughspace?
Maybeweshouldn'tbeouthere,maybeweshouldturnbackButthere'ssomethingabouttheSun,somethinghypnotic,liketheMedusa
Tooterribletolookat,toopowerfultoresistLuringusonwardon,likeamothtoaflame.Wait,there'ssomethingelse,obscuredbythesunItmustbeMercury.
Gettooclosetothesun,thisiswhathappens.Temperaturesswingwildlyhere
Atnight,it'sminus275degrees
emidday,it's800plus.
Burntthenfrozen.
TheMESSENGERspaceprobeistellingussomethingstrange.
Foritssize,Mercuryhasapowerfulgravitationalpull.It'sahugeballofiron,coveredwithathinveneerofrockThecoreofwhatwasonceamuchlargerplanet.
Sowhere'stherestofit?
MaybeastrayplanetslammedintoMercury
...blastingawayitsouterlayersinadeadlygameofcosmicpinballWholeworldsontheloosecareeningwildlyacrossthecosmos......destroyinganythingintheirpath
Andwe'reinthemiddleofit
Vulnerable,exposed,small
Everythingistellingustoturnback.
Butwhocoulddefythis?
TheSuninallitsmesmerizingsplendor
Ourlight,ourlives...
...everythingwedoiscontrolledbytheSun
Dependsonit
It'stheGreekgodHeliosdrivinghischariotacrosstheskyTheEgyptiangodRareborneveryday
ThesummersolsticesunrisingatStonehenge.
Formillionsofyears...
...thiswasascloseasitgottostaringintothefaceofGodIt'ssofaraway...
...itisburnedout,wewouldn'tknowaboutitforeightminutesIt'ssoBig,youcouldfitonemillionEarthsinsideitButwhoneedsnumber?
we'vegottherealthing
Weseeiteveryday,afamiliarfaceinoursky
Now,upclose,it'sunrecognizable.
Aturbulentseaofincandescentgas
Thethermometerpushes10,000degrees
can'timaginehowhotthecoreis,couldbetensofmillionsofdegreesHotenoughtotransformmillionsoftonsofmatter...intoenergyeverysecond
Morethanalltheenergyevermadebymankind
DwarfingthepowerofallthenuclearweaponsonEarth.Backhome,weusethisenergyforlightandheat
Butupclose,there'snothingcomfortingabouttheSun.Itselectricalandmagneticforceseruptingiantmoltengasloops.SomearelargerthanadozenEarths
Morepowerfulthan10millionvolcanoes.
Andwhentheyburstthroughtheyexposecoolerlayersbelow......makingsunspots.
Afractioncoolerthantheirsurrounding,sunspotslookblack......Butthey'rehotterthananythingonEarth.
Andmassiveupto20timesthesizeofEarth.
Butoneday,allthiswillstop
TheSun'sfuelwillbespent.
Andwhenitdies,theEarthwillfollow
Thisgodcreateslife,destroysit...
...anddemandswekeepoutdistance
Thiscometstrayedtooclose
TheSun'sheatisboilingitaway...
...creatingatailthatstretchesformillionsofmiles.It'sfreezinginhere.
There'snodoubtwherethiscomet'sfrom,theicywastesofdeepspace
Butallthissteamandgeysersanddust...
...it'stheSunagain,meltingthecomet'sfrozenheart.Strange.
Akindofvast,dirtysnowball,coveredingrimytarTinygrainsofwhatlookslikeorganicmaterial......preservedonice,sincewhoknowswhen...
...maybeeventhebeginningofthesolarsystem.SayacometlikethiscrashedintotheyoungEarthbillionsofyearsago.
Maybeitdeliveredorganicmaterialandwater...therawingredientsoflife
ItmayevenhavesowntheseedsoflifeonEarth......thatevolvedintoyouandme
ButsayitcrashedintotheEarthnow
Thinkofthedinosaurs,wipedoutbyacometorasteroidstrikeIt'sonlyaquestionoftime.
Eventually,oneday,we'llgothewayofthedinosaursIflifeonEarthwaswipedout,we'dbestuckouthere......homeless,adriftinahostileuniverse
We'dneedtofindanotherhome
Amongthemillions,billionsofplanets...
...theremustbeonethat'snottoohot,nottoocold,withair,sunlight,water...
...where,likeGoldilocks,wecouldcomfortablyliveTheredplanet
UnmistakablyMars.
Forcenturies,we'velookedtoMarsforcompany......forsignsoflife
Couldtherebeextraterrestriallifehere?
Arewereadytorewritethehistorybooks,totearupthesciencebooks...
...toturnourworldupsidedown?
Whathappensnextcouldchangeeverything
Marsistheplanetthatmostcapturesourimagination.ThinkofB-movies,sci-ficomics,whatfollows?
Martians?
It'salljustfiction,right?
Butwhatittherereallyissomethinghere?
Hardtoimagine,though.Upclose,thisisadeadplanetTheactivitythatmakestheEarthlivableshutdownmillionsofyearsagohere
Redanddead
Marsisagiantfossil.
Wait.Somethingisalive
Adustdevil,abigone
Biggerthanthebiggesttwistersbackhome.
There'swindhere
Andwherethere'swind,there'sair
Couldthatairsustainextraterrestriallife?
It'stoothintorustobreathe.
Andthere'snoozonelayer
NothingtoprotectusagainsttheSun'sultravioletrays.Thereiswater...
...ButfrigidtemperatureskeepitinaconstantdeepfreezeIt'shardtobelieveanythingcouldlivehere
BackonEarth,therearecreaturesthatsurviveinextremecold,heat......eveninthedeepestoceantrenches
It'sasthoughlifeisavirus.
Itadapts,spreads
Maybethat'swhatwe'redoingrightnow...
...carryingthevirusoflifeacrosstheuniverse.Eveninthemostextremeconditionslifeusuallyfindsaway.Butonadeadplanet?
Withnowaytoreplenishitssoil,noheattomeltitsfrozenwater?
Allthisdust,it'shardtoseewherewe'regoingOlympusMons,namedafterthehomeoftheGreekgodsAvastancientvolcano.
ThreetimeshigherthanEverest.
There'snosignofactivity.
Sinceitsdiscoveryinthe1970s,it'sbeendeclaredextinctHangon.
Theselooklikelavaflows.
Butanysignoflavashouldbelonggone.obliteratedbymeteoritecraters
Unless,thismonsterisn'tdead,justsleeping
Therecouldbemagmaflowingbeneaththecrustrightnow......buildingup,waitingtobeunleashed
Volcanicactivitycouldbemeltingfrozenwaterinthesoil......pumpinggasesintotheatmosphere,recyclingmineralsandnutrientsCreatingalltheconditionsneededforlife
ThismakestheGrandcanyonlooklikeacrackinthesidewalkEndlessdesolation...
...sovastitwouldstretchallthewayacrossNorthAmerica.
Buthere,signsofactivity,erosion,andwhatlookslikedriedupriverbeds
Maybevolcanicactivitymeltediceinthesoil......sendingwatergushingthroughthiscanyon.
Undergroundvolcanoescouldstillbemeltingice,creatingwaterAndwherethere'swater,therecouldbelife
Thehuntforlifeisspearheadedbythishumblefellow......theNASArover,Opportunity.
It'sfindingevidencethatthesebarrenplains......wereonceancientlakesoroceansthatcouldhaveharboredlifeLookatthosegullies.
ProbesorbitingMarskeepspottingnewones.
MoreproofthatMarsisaliveandkicking
...thatwaterisflowingbeneathitssurfacerightnowWaterthatcouldbesustainingMartianlife
Now,allw
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