Yenzeka njani inkqubo yelanga

senziwa njani isijikelezi-langa kwindalo iphela

Ekubeni inkqubo yelanga yakhiwe ngaphezu kwe-4.500 yezigidigidi zeminyaka eyadlulayo, kunzima ukwazi Yenzeka njani inkqubo yelanga. Noko ke, izazinzulu ziye zaxuba iingcamango ezithile, ezinye zisebenza ngakumbi kunezinye, yaye kuye kwamiselwa uhlobo oluhambelanayo lokusekwa.

Ngoko ke, siza kunikezela eli nqaku ukukuxelela indlela inkqubo yelanga eyenziwe ngayo kunye namanyathelo enzeke.

Iimpawu zenkqubo yelanga

nebulae

Njengazo zonke ezinye iinkqubo zeplanethi, uninzi lwesixokelelwano selanga siyindawo engenanto. Nangona kunjalo, kuzo zonke ezi ndawo kukho izinto ezininzi ezichatshazelwa ngumxhuzulane welanga kwaye zenze inkqubo yelanga.

Inokwenzeka njani into yokuba, ilanga lilelona nxalenye ibalulekileyo yesijikelezi-langa. Isembindini wayo kwaye zonke izinto ezikwinkqubo yelanga zichaphazeleka ngumxhuzulane wayo. Yinkwenkwezi eluhlobo lwe-G, ekwabizwa ngokuba yi-yellow dwarf, kwaye iphakathi kubomi bayo, malunga ne-4.600 yeebhiliyoni zeminyaka ubudala namhlanje. Ilanga lenziwe zisithathu kwezine ze-hydrogen kunye ne-helium enye, lijikeleza kwiaxis yalo, kuthatha iintsuku ezingama-25 ukugqiba ukujikela kunye. imele malunga ne-99,86% yobunzima obupheleleyo benkqubo yelanga.

Ngenxa yobukhulu bawo, izinto ezilandelayo ezibalulekileyo kwinkqubo yelanga ziiplanethi, esinokuzihlukanisa zibe ngamacandelo amabini ahlukeneyo. Ke ngoko, ii-orbits zenkqubo yelanga yangaphakathi zihlala kwiMercury, Venus, Earth kunye neMars. Ezi ziiplanethi ezincinci kwaye zaziwa ngokuba ziiplanethi zangaphakathi, ezikwabizwa ngokuba ziiplanethi ezinamatye, ngenxa yendawo yazo kwindawo yelanga kunye nobume obuqinileyo bezinto zabo ezinamatye kunye nentsimbi. Ngakolunye uhlangothi, kwii-orbits zangaphandle ze-solar system sifumana ii-exoplanets ezinkulu, ezenziwe ngegesi, yingakho zibizwa ngokuba yi-gas giants kunye ne-ice giants. Ngaloo ndlela, ngenxa yomgama wayo ukusuka elangeni, sinokufumana iJupiter, iSaturn, i-Uranus kunye neNeptune.

Ukongeza kwiiplanethi, kukho iiplanethi ezi-5 ezibizwa ngokuba ziiplanethi ezincinci kwisixokelelwano selanga. Njengoko igama labo libonisa, zizinto ezincinci kakhulu ezibonakaliswe ngumxhuzulane owaneleyo ukwenza ubume obungqukuva, kodwa akwanelanga ukwahlula ubumelwane babo be-orbital kwezinye izinto, ukwahlula kwiiplanethi. Ezi ziiCeres, kwibhanti yeasteroid phakathi kweMars neJupiter, kunye nePluto, iHaumea, iMakemake, neEris, ekwabizwa ngokuba yiPluto, kwindawo ebizwa ngokuba yiKuiper Belt.

Ibhanti leasteroid ngummandla wesijikelezi-langa esiphakathi kweMars neJupiter elikhaya leenxalenye ezininzi ezincinane ezenziwe ngamatye nomkhenkce, uninzi lwazo eziziiasteroids ekukholelwa ukuba ziyintsalela yesijikelezi-langa esingazange sibekho. . Yenziwe ngenxa yempembelelo yomxhuzulane kaJupiter. Ngaphezu kwesiqingatha sobunzima obupheleleyo bebhanti ziqulethwe kwizinto ezi-5: iplanethi encinci iCeres kunye neasteroids iPallas, iVesta Hygeia kunye neJuno.

Ibhanti yeKuiper yindawo yesixokelelwano selanga elele ngaphaya kweNeptune. Iyafana nebhanti yeasteroid, kodwa inkulu kakhulu: Amaxesha angama-20 ububanzi kwaye ukuya kuthi ga kuma-200 ubukhulu, kwaye njengaye, iqulunqwe ngokuyininzi intsalela encinci yokubunjwa kwenkqubo yelanga, kulo mzekelo amanzi, i-methane kunye ne-ammonia ngendlela yeqhwa.

Ilifu le-Oort lilifu elingqukuva lezinto zasezulwini ngaphaya kwe-orbit ye-Neptune, phantse unyaka omnye wokukhanya ukusuka eLangeni. Kuqikelelwa ukuba Ilifu lalinokuqulatha phakathi kwe-1.000 kunye ne-100.000 yezigidi zezidalwa zasezulwini ezenziwe ngumkhenkce, i-methane kunye ne-ammonia; ezinokudityaniswa zibe nobunzima obuphindwe kahlanu kuMhlaba.

Ingcamango yale mihla yeenebulae isekelwe kwingqalelo yeenkwenkwezi ezisencinane ezingqongwe ziidiski ezixineneyo nezicothayo zothuli. Ngokugxininisa ubuninzi bobunzima kumbindi, iindawo zangaphandle esele zahluliwe zifumana amandla amaninzi kwaye zicothe kancinci, zinyusa umahluko wesantya.

Amafu egesi kunye nothuli oluvela kwisixokelelwano selanga

Yenzeka njani inkqubo yelanga

Kukho iingcaciso zendlela ummandla wethu wezijikelezi-langa owabakho ngayo. Enye yeethiyori ezamkelwe kakhulu yile Ithiyori ye-nebula ecetywa nguRené Descartes ngo-1644 kwaye emva koko yacocwa zezinye izazi ngeenkwenkwezi.

Ngokwenguqulelo ecetywe nguKant noLaplace, ilifu elikhulu lerhasi nothuli laye labanjwa ngenxa yomxhuzulane, mhlawumbi ngenxa yogqabhuko-dubulo olukhulu olukufuphi. Njengomphumo wokuqhawuka, yaqala ukujikeleza ngesantya esiphezulu kwaye yacandwa, ngenxa yoko inkqubo yelanga ephumayo ibonakala ngathi idisk kune sphere.

Izinto ezininzi zibekwe embindini. Uxinizelelo luphezulu kangangokuba iintshukumo zenyukliya ziqala, ekhupha amandla kunye nokwenza iinkwenkwezi. Ngexesha elifanayo, ii-eddies zichazwe, kwaye njengoko zikhula, ubunzima babo buyanda kwaye bathatha izinto ezininzi ngokujika ngakunye.

Kukwakho ungquzulwano oluninzi phakathi kwamasuntswana kunye nezinto ezikulwakhiwo. Izigidi zezinto ziyadibana ukuze zingqubane okanye zingqubane ngogonyamelo zize zibe ziingceba. Iindibano ezakhayo zixhaphakile, kwaye kwiminyaka nje ezigidi ezili-100 baye bafumana inkangeleko efana nale yangoku. Umzimba ngamnye ke uqhubeleka nendaleko yawo.

ukubunjwa kweeplanethi neenyanga

Iiplanethi kunye nobuninzi beenyanga zazo zenziwe ngokuqokelelwa kwezinto eziqokelelweyo ezijikeleze iindawo ezinkulu zeprotonebulae. Emva kothotho oludidayo lokungqubana, ukudityaniswa, kunye nokwakha kwakhona, bafumana ubungakanani obufana nobukhulu babo bangoku kwaye bahambe de bafike apho siyazi khona.

Ummandla okufutshane nelanga ushushu kakhulu ukugcina izinto ezikhanyayo. Yingakho iiplanethi zangaphakathi zincinci kwaye zinamatye, ngelixa iiplanethi zangaphandle zinkulu kwaye zinegesi. Ukuvela kwenkqubo yelanga ayikayeki, kodwa emva kwesiphithiphithi sokuqala, uninzi lwalo mbandela ngoku luyinxalenye yezinto kwiindlela ezizinzile ngakumbi okanye ezingaphantsi.

Nayiphi na ithiyori ezama ukuchaza ukubunjwa kwenkqubo yelanga kufuneka ithathele ingqalelo loo nto Ilanga lijikeleza ngokucothayo kwaye linomfutho oyi-1% kuphela we-angular kodwa ubunzima bungama-99,9%., ngelixa iiplanethi zine-99% yesantya se-angular. Umzuzu kuphela i-0,1% yobunzima. Enye ingcaciso yeyokuba ilanga lalibanda kakhulu kwasekuqaleni. Njengoko ishushu, ukuxinwa kwezinto zayo kunciphisa ukujikeleza kwayo de kufike ukulingana okuthile. Kodwa kukho okungakumbi...

Iingcamango malunga nendlela inkqubo yelanga eyenziwe ngayo

inyathelo lokuqulunqa inkqubo yelanga

Kukho ezinye iithiyori ezintlanu okanye ukwahluka ezithathwa njengezisengqiqweni:

  • La ithiyori yolwandiso icinga ukuba ilanga lidlula kwilifu elishinyeneyo eliphakathi kweenkwenkwezi kwaye lijikelezwe luthuli nerhasi.
  • La ithiyori yeprotoplanetary ithi ekuqaleni ilifu elishinyeneyo eliphakathi kweenkwenkwezi labumba iqela leenkwenkwezi. Iinkwenkwezi eziphumayo zinkulu kwaye zinesantya esiphantsi sokujikeleza, ngoxa iiplanethi ezikwilifu elinye zinesantya esiphezulu xa zithathwe ziinkwenkwezi, kuquka ilanga.
  • La ithiyori yomgibe ichaza ukuba ilanga linxibelelana neprotostar ekufutshane kwaye likhuphe imathiriyeli kuyo. Isizathu sokuba ilanga lijikeleze kancinci kungenxa yokuba lenzeka phambi kweeplanethi.
  • La Ithiyori yeLaplace yanamhlanje Ichaza ukuba ukujiya kwelanga kuqulethe amasuntswana othuli oluluqilima acothisa ukujikeleza kwelanga ngenxa yokukhuhlana embindini. Emva koko ilanga liyatshisa kwaye uthuli luya kuba ngumphunga.
  • La ithiyori ye-nebula yanamhlanje isekelwe ekuqwalaseleni iinkwenkwezi eziselula ezingqongwe ziidiski ezixineneyo nezicothayo zothuli. Ngokugxininisa ubuninzi bobunzima kumbindi, iindawo zangaphandle esele zahluliwe zifumana amandla amaninzi kwaye zicothe kancinci, zinyusa umahluko wesantya.

Ndiyathemba ukuba ngolu lwazi unokufunda ngakumbi malunga nendlela inkqubo yelanga eyenziwe ngayo.


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  1.   Cesar sitsho

    Eli nqaku, njengamanye abhekisa kwiSolar System, zezona ndizithandayo, lihle kakhulu kwaye alinasiphelo kangangokuba ndiphuphe ndiphaphile ndihamba phakathi kobo bukhulu.