Ilifu Oort kunye Kuiper nebhanti - umda umzimba langa

I Oort Cloud - umbhinqo ezingenzeka jikelele kwindlela solar lizele izijikelezi kunye nethala. Ukuza kuthi ga ngoku, akukho namnye ezinjengeetelescope ungekabikho bakwazi ukubona izinto ezincinci ezinjalo mgama, kodwa ke ubungqina bubonisa ukuba imida kude ilanga lethu kukho imfundo efanayo. Noko ke, musa ukubhidanisa ibhanti Kuiper kunye Oort ilifu. Okokuqala kwakhona efanayo ibhanti ke, ilitye , yaye iquka abaninzi namashishini amancinane. Kuye kwavulwa kuthelekiswa kutshanje, ngomnyaka emibini senkulungwane, xa kwafunyaniswa ukuba ngaphaya komzila iPluto ehlabathini ilanga ezigxile imizimba yasezulwini, ezinye zazo omkhulu ngaphezu planet lesithoba, kodwa hayi zonke waba ecacileyo wakususa orbit, rhoqo lususiwe yakhe nemigudu phantsi inyathelo ngalinye enye. Byi: kwelinye icala, ukuba kwakunzima kubizwa ngokuba iplanethi, kodwa kwelinye icala, ngokobungakanani bawo, ezinkulu kuno iPluto. Nangona izazinzulu mihla okokuqala ezimbalini wadala uluhlu ecacileyo zokugweba ukuze kufikelelwe umzimba wasezulwini ukunxiba ubume emhlabeni. Ngenxa yoko, iPluto iphelelwe ukuba isimo. Kwiminyaka yakutshanje, oosonzululwazi baye bafumanisa ezininzi izinto bhanti Kuiper. I inkulu kubo - Eris kunye Sedna.

Kwaye yintoni ke Oort efini?

Ukuba izinto bhanti Kuiper zikhawuleze ziyafumaneka ngeeteleskopu mihla, umzimba efini kude ukusuka Ilanga xa kunyaka ukukhanya-. Cinga kude ngqo ngezibonakude zazo kodwa kunzima ngokwaneleyo. Ngaloo ndlela Astrophysics wafumanisa ezininzi iiplanethi, nkqu kwezinye iinkqubo inkwenkwezi, kodwa, okokuqala, oko phantse kuzo zonke iiplanethi enkulu njenge nguZeyus, yaye okwesibini, ukuba azenzeki ngokwazo, kodwa ngenxa isiphumo omxhuzulane kwi inkwenkwezi yayo. Nangona kunjalo, i-Oort ilifu ngokoqobo ethumela Nentabalala ubungqina bobukho bayo. Sithetha ezinomsila ukuba beze periodicity rhoqo kwinkqubo solar, njengoko izithunywa kule nkalo. Mhlawumbi umzekelo idumileyo Halley. I Oort ilifu igama wokuwonga elaa ezisemajukujukwini Dutch, ngubani phakathi kwenkulungwane XX, wayixela ukufunyanwa yayo, esekelwe kugcinwa ezinomsila ixesha-ithuba. Le ndawo, kwakunye ibhanti Kuiper iqulathe TNOs, mvisiswano leyo, kwelinye icala, ziyilwe ngokuyintloko komkhenkce methane, carbon monoxide, hydrogen benqanda, methane kunye nezinye izinto. Ngoko kusenokwenzeka ukuba sinokujikeleziswa kunye izinto ngamatye.

Imvelaphi kwisigaba

akhona Modern bakholelwa ukuba Kuiper Belt, ilifu Oort - nto okuseleyo kokujonga Obumbe wezijikelezi, kodwa engafakwanga ukwakhiwa kwazo naziphi planethi eyodwa. Malunga billion amahlanu eminyaka eyadlulayo, uninzi lunezinto liqhuma isizukulwana yokuqala yeenkwenkwezi (esenzelwa kungekudala emva kokuba Big Bang) ngenxa womxhuzulane kwizigidi zeminyaka ukugangatheka yajika inkwenkwezi entsha - ilanga. Inxalenye encinane ujikeleza disk protoplanetary babehlanganisene iibhloko ezinkulu yaye ayila izijikelezi inkqubo yethu. Ezinye eluthulini kunye nezinto ezincinane nebula waphoswa phezu ngohlangothi Solar System, uyila ibhanti Kuiper, yaye kwinqanaba kakhulu ezikude kakhulu ilifu Oort.