Utshintsho lwemozulu kwiVenus, iplanethi yesihogo

venus kunye nomhlaba

Iplanethi yeVenus inemozulu eyahlukileyo ngokuhamba kwexesha ngenxa yobudlelwane phakathi komsebenzi wayo wangaphakathi weetectonic kunye notshintsho lomoya. Isondele kwiLanga kunokuba iplanethi yethu injalo. Oku kubangela ukuba amaqondo obushushu abo abe phezulu kakhulu kunalawo omhlaba.

Umhlaba kunye noVenus babephantse balingane kwaye babunjweNangona kunjalo, i-trajectories yabo yendaleko yayijolise ngokwahlukileyo de baba ziiplanethi ezimbini ezahlukeneyo. Ngaba kukho utshintsho kwimozulu kwiplanethi yeVenus?

UVenus, isihogo somhlaba

Lobushushu phezu komhlaba Venus Imalunga ne-460 ° C ngokuthelekiswa ne-15-17 ° C yethu ngokomndilili eMhlabeni. Eliqondo lobushushu liphezulu kangangokuba lenza amatye akhazimle emehlweni kuye nabani na obajongileyo. Iplanethi ilawulwa ziziphumo zokungcoliswa kwendalo, ezigcinwe yimeko yomoya eyona nto iphambili kuyo yicarbon dioxide. Akukho manzi alulwelo kwiplanethi, kucacile ukuba iyakonyuka njengoko indawo ebilayo yamanzi iyi-100 ° C.

Ukongeza koku kungasentla, iimeko zeplanethi zenza uxinzelelo lomoya ephantse yayiphinda kabini eyethu. Endaweni yokuba yenziwe ngomphunga wamanzi, amafu ayo aqulathe iasidi yesulphuric.

venus

Kude kube kutshanje, bekungekho lwazi luncinci malunga nokuvela kweplanethi yeVenus kuba amafu ayo e-sulfuric acid ayengasivumeli ukuba sibone iinkqubo zomhlaba, ezinjenge-volcanism okanye i-tectonics. Nangona kunjalo, kule minyaka ingama-56 idlulileyo, enkosi kuma-22 space probes abo bathathe imifanekiso, baphonononge, bahlalutya kwaye bangena kwiVenus, sinokufunda okungakumbi ngayo.

Iifoto zeeproses zibonisa ukuba iVenus yiplanethi enamava ugqabhuko-dubulo olukhulu kwaye, ngokuqinisekileyo, lusasebenza. Ezi zinto zifunyanisiweyo zibonisa ukuba imeko-bume yomhlaba yahlukile, kuba sinokuzibuza ukuba kutheni, ukuba amandla afanayo abandakanyeka ekwenziweni kweeplanethi zombini, bekukho iziphumo ezahluke ngokupheleleyo eMhlabeni kunye nokudaleka okungachanekanga kwaphela. enye.

Izazinzulu zithathela ukuba le nguqulelo yahluke kakhulu kwimeko ekhethekileyo esinayo kwinkqubo yethu yelanga nakwimeko yethu ngokubhekisele kwiLanga. Singalufumana luphi uncedo ngokwazi ukuvela kwemozulu yezinye iiplanethi ukuba asihlali kuzo? Ewe impendulo ilula, kunye nomthamo owandayo wenkunkuma, uluntu lweshishini kunye nokukhutshwa kwerhasi engcolileyo kwiatmosfera eguqula imozulu yethu. Ukuba singachonga ukuba zeziphi izinto ezimisela ukuvela kwemozulu kwezinye iiplanethi, Sinokuziqonda izinto zendalo kunye nezixhobo ezitshintsha imozulu yethu.

Imozulu kunye nejoloji yeVenus vs Earth

Esinye sezizathu zokwahluka kwemozulu yomhlaba kuxhomekeke kubume bomoya, imveliso yotshintshiselwano oluqhubekayo lweegesi phakathi koqweqwe, ingubo, ulwandle, imingxunya esemajukujukwini kunye nomhlaba ongaphandle. Injini yeenkqubo zejoloji, amandla e-geothermal nawo aqhuba ukuvela kweatmosfera. Amandla e-geothermal akhutshwa ikakhulu ngokubola kwezinto ezinemitha yeathom ngaphakathi. Kodwa akukho lula kangako ukuchaza ilahleko yobushushu kwiiplanethi eziqinileyo. Ezona ndlela zibalulekileyo zibandakanyekayo zezi: i-volcanism kunye neplate tectonics.

venus kunye nomhlaba

Ngokubhekisele kuMhlaba, ingaphakathi lawo linenkqubo yokuhambisa ibhanti enxulunyaniswa neetetoniki zepleyiti. Ukuphinda kusebenze kwakhona kweegesi kuye kwazinzisa amandla kwimozulu yoMhlaba. Iintaba-mlilo zimpompela iigesi emoyeni; ukuthotyelwa kwamacwecwe e-lithospheric kuyibuyisela ngaphakathi. Ngelixa uninzi lweentaba-mlilo zinxulunyaniswa nemisebenzi yeplate tectonic, kukho izakhiwo ezibonakalayo zentaba-mlilo (ezinje ngeeHawaiiian Islands) ezenze "iindawo ezishushu" ezizimeleyo kwimida yeepleyiti.

Iikhritha kunye neetekoniki zepleyiti

Yintoni eyenzekayo kwiVenus? I-Plate tectonics, ukuba iyabandakanyeka, iya kuba kwinqanaba elincinci; Ubuncinane kutshanje, ubushushu babutshintshiswa kukuqhushumba kwamathafa amakhulu ebasalt kwaye kamva ziintaba-mlilo ezenziwe ngaphezulu kwazo. Ukuqonda iziphumo zeentaba-mlilo Isiqalo esinyanzelekileyo sayo nayiphi na indlela kwimozulu yeplanethi.

Ukunqaba kweempembelelo zemingxunya eVenus, nangona umoya wayo wanele ukukhusela iplanethi kwizinto ezinje ngezehlo ezincinci, imingxunya emikhulu ilahlekile. Oku kuvakala emhlabeni. Isenzo somoya kunye namanzi sizimisele ukonakalisa iikreyitha zamandulo. Kodwa umphezulu weVenus ubhalisa ubushushu obunjalo obuthintela ubukho bamanzi alulwelo; Imimoya engaphezulu ayikhanyi. Ngaphandle kogqabhuko iinkqubo eziguqukayo kwaye, ekuhambeni kwexesha, Impembelelo yeekreyitha ziyakucinywa yimisebenzi yeentaba-mlilo kunye neetekonic.

Umhlaba we venus

Uninzi lweekreyitha eziseVenus zivela kutshanje. Yaya phi imingxuma yamandulo, ukuba uninzi lwayo eseleyo ayiphazanyiswanga? Ukuba zigutyungelwe ludaka, kutheni zingabonakali kangako iikreyiti ezigqunyiweyo, zanyamalala njani ngaphandle kokuphulukana ngokungakhethiyo nokubekwa kwazo kwasekuqaleni?

Eyona ithiyori yamkelwe luluntu lwenzululwazi ukuba intaba-mlilo esasazekileyo isuse eyona mingxuma yenziweyo kwaye yadala amathafa amakhulu eentaba-mlilo kwiminyaka engama-800 yezigidi eyadlulayo, elalandelwa linqanaba eliphakathi lomsebenzi wentaba-mlilo ongapheliyo kude kube namhlanje.

Iifom zamanzi kumphezulu weVenus

Okokuqala, siyazihlula, izinto ezahlukileyo ezinomdla ezikhumbuza umhlaba olinywe ngamanzi. Bangumfanekiso ophilayo wemilambo yethu kunye namathafa ezikhukhula. Uninzi lwezi zakhiwo luphela kwiindlela zokukhupha i-delta. Ukoma kakhulu kwemo engqongileyo yenza ukuba amanzi kungabonakali ukuba afumane ezi ngozi.

imingxunya ye venus

Kutheni kunjalo? Ingayiyo, I-calcium carbonate kunye ne-calcium sulphate kunye nezinye iityuwa zingoyena nobangela. I-lavas egcwele eziityiwa inyibilike kumaqondo obushushu amashumi ambalwa ukuya kumakhulu ambalwa eedigri ngaphezulu kunamaqondo obushushu wangoku weVenus. Kwixesha elidlulileyo, iqondo lobushushu elingaphezulu komhlaba belinokuchitha lava yolwelo etyebile ngetyiwa ngaphezulu, ezinzileyo ezinokuthi zichaze isenzo esenziweyo seengozi esizibonayo namhlanje.

Ubungqina botshintsho lwemozulu yeVenus

Isiphumo seGreenhouse kunye noxinzelelo lwegesi

Kuya kufuneka sigcine engqondweni ukuba ii-greenhouse gases zivumela ukukhanya kwelanga ukufikelela kumphezulu weVenus, kodwa iibhloko ezikhutshiweyo infrared radiation. Ikharbhon diokside, amanzi, kunye nesalfure dioxide nganye zifunxa ibhendi ethile yamaza ombane wombane. Ukuba bekungekho ngeegesi, imitha yelanga kunye ne-infrared ibiza kulungelelanisa kubushushu bomhlaba obumalunga ne-20 degrees.

Amanzi nesalfure dioxide ekhutshwa ziintaba-mlilo emoyeni ziyasuswa. Isalfure dioxide iphendula kakuhle nge-carbonates ngaphezulu, ngelixa i-ultraviolet radiation elanga iwahlula phakathi amanzi.

venus

Isimbozo sefu kunye nobushushu

I-Sulphuric acid amafu ayahluka kubukhulu emva kothotho lweentaba-mlilo. Okokuqala, amafu ayajiya njengoko amanzi kunye nesulfuric acid ziphoswa emoyeni. Emva koko baphulukana nayo njengoko uxinzelelo lwezi gesi luyehla. Igqithile malunga nezigidi ezingama-400 zeminyaka ukusuka ekuqaleni kwentaba-mlilo, Amafu aneasidi athatyathelwa indawo ngamade amade, amxinwa amanzi.

Utshintsho lwemozulu kwiVenus

Ukuqhekeka kunye nezibaya zemihlaba. Olunye lolungelelwaniso, ubuncinci imiphetho eshwabeneyo, inokunxulumana nokwahluka okwethutyana kwimozulu. Ithiyori ibonisa ukuba iimeko ezothusayo nezichasayo zokusingqongileyo zigcinwa ngenxa yeepropathi ezincedisayo zommandla womoya. Umphunga wamanzi, nokuba kulandelwe inani, Ithatha imitha ye-infrared kumaza e-wave engasebenziyo.

Kwangelo xesha, isalfure dioxide kunye nezinye iigesi zithintela ubude bamaza. Ithathiwe kunye, ezi gesi zegreenhouse zenza umoya weVenus ubonakale ngokungacacanga kwimitha yelanga, kodwa iphantse yaphelela ngokupheleleyo kwimitha ye-infrared. Ngenxa yoko, iqondo lobushushu kumphezulu liphindwe kathathu kule planethi ngaphandle komoya ojikeleze umhlaba. Ngokuthelekisa, umphumo wobushushu bomhlaba namhlanje uphakamisa ubushushu bomhlaba yi-15% kuphela. Ukuba bekuyinyani ukuba iintaba-mlilo zinqumle umphezulu weVenus kwiminyaka ezizigidi ezingama-800 eyadlulayo, Kuya kufuneka ukuba baphinde balahle isixa esikhulu segesi zegreenhouse emoyeni ngexesha elifutshane.

Imodeli yemozulu yesijikelezi-langa iphuhlisiwe equka ukukhutshwa kweegesi ziintaba-mlilo, ukwenziwa kwamafu, ukulahleka kwe-hydrogen kumaleko aphezulu e-atmosfera, kunye nokuphendula kweegesi zemozulu ezinezimbiwa ngaphezulu. Phakathi kwezi nkqubo kubakho unxibelelwano olufihlakeleyo olupholisa umhlaba. Ujongene neziphumo ezichaseneyo ayinakugqitywa ukuba yeyiphi inaliti yeegesi ezimbini ezazithetha ngemozulu yeVenus.

Kungenxa yoko le nto, njengokuqukumbela, sinokuthi kwabakho utshintsho lwemozulu kwiVenus, kodwa asazi ukuba iigesi zinokusebenza kangakanani kutshintsho lwazo.


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