Kumiswa, Imfundo yesibili nezikole
Izinkanyezi zihluke amaplanethi: imininingwane kanye nezikhathi ezithakazelisayo
isikhala Ezinganyakazi akuyona dengwane. Sihlanganisa a yisisindo esikhulu zonke izinhlobo zazishintsha zaba nemizimba natures ezahlukene, osayizi kanye anamagama ahlukene. Phakathi kwabo - le emkhathini, emkhathini, lezinkanyezi ezinomsila, fireballs, amaplanethi nezinkanyezi. Kusinye zemizimba cosmic ngaphakathi namanje ahlukaniswe zilwane, umehluko phakathi kwabo zingaqhubekela waqonda kuphela sezinkanyezi abanolwazi. Ake sizame sokulungisa kuze nezimiso eziyisisekelo, isibonelo, lokho izinkanyezi sihluke amaplanethi.
Umehluko omkhulu
Eyokuqala kakhulu, eziyisisekelo futhi engakutholanga embuzweni umehluko - ikhono siyakhazimula. Noma yimuphi inkanyezi ngempela likhipha ukukhanya, iplanethi Ubuye lokhu impahla. Yiqiniso, amaplanethi eseduze zivele izindawo elikhanyayo - isibonelo obucacile salokhu Venus. Kodwa kwakungeyona kukhanya wakhe siqu, kumane 'isibuko' ibonisa ukuthi umthombo weqiniso yokukhanya - ilanga.
By endleleni, lokhu kuyindlela enhle kakhulu indlela yokwahlukanisa iplanethi kusuka inkanyezi luyingxenye zibukeke, ngaphandle yokukhanya ezengeziwe. Uma iphuzu ukukhanya esibhakabhakeni ebusuku "oqwayiza", okusho flickers, - qiniseka liyinkanyezi. Uma ivela into yasezulwini kanye njalo ukukhanya ezingeni - kusho iplanethi sikhipha ukukhanya lale nkanyezi eseduzane. Futhi lesi esokuqala futhi uphawu olucacile ebonisa ukuthi thina lokho izinkanyezi zihluke amaplanethi.
Eyesibili umehluko, elandela kusukela kuqala
Ikhono ezishisa kakhulu zikhipha izinhlayiyana isici ekukhanyeni kuphela evele kushisa kakhulu. Njengoba isibonelo, insimbi angabhekwa, zona ngokwazo akusho siyakhazimula. Kodwa uma kuwukuthi eliwu izinga lokushisa oyifunayo, into metal uyabaselwa bese likhipha siqala ebuthakathaka, kodwa ukukhanya.
Ngakho ukuthi yesibili kunezinkanyezi zihluke amaplanethi - lokushisa eliphezulu kakhulu kwalezi cosmic. Kuvumela izinkanyezi kukhanye. Ngisho phezu izinga lokushisa enomoya zokukhanya akusho uphonsa ngezansi 2000 degrees K. Ngokuvamile izinga lokushisa lezinkanyezi ulinganiswa kelvins, ngokungafani evamile thina Celsius.
ilanga wethu ibavuthela okuningi in the izinkathi ezahlukene ubuso bayo ukufuthelana kuze kufinyelele 5000 noma 6000 K. Ngamanye amazwi, "ngokombono wethu" kuzokwenza 4726,85 - 5726,85 ° C, okuyilona elisebenzayo futhi umxhwele.
kufanelekile ukuba ngicacise
Lezi amazinga ejwayelekile kuphela inkanyezi evele. Ngisho kunezinkanyezi zihlukaniswa konozungezilanga, kungcono yokuthi ngaphakathi bayizimpisi ibavuthela okuningi kuka ngaphandle. Ngisho ukuvundulula okushisa kwezinye izinkanyezi kuze kube 6,000 K, futhi maphakathi izinkanyezi okuthiwa bazobambisana zasendle phezu izigidi degrees Celsius! Kuze kube manje, akukho umthamo noma impahla edingekayo, noma ngisho ifomula ukubala eyenza umuntu abone yangaphakathi "degree" lezinkanyezi.
Usayizi kanye nokunyakaza
Ubukhulu izinkanyezi namaplanethi kuhluke nje omkhulu. Kuqhathaniswa "izibani" wasezulwini iplanethi - nje uhlamvu lwenhlabathi. Futhi lokhu kusebenza futhi isisindo (mass), nevolumu. Uma, esikhundleni ilanga wafaka phakathi isikhala apula naphakathi ngobukhulu ke ukuze ukhombise isikhundla Zomhlaba badinga ipea esabelwe amakhulu amamitha. Ukuqhathanisa amaplanethi ubukhulu kanye inkanyezi ebonisa ukuthi umthamo yesibili ezinkulungwane noma ngisho ezigidi izikhathi mkhulu kunezinhliziyo ivolumu isikhala ukuthi elalihlala kuqala. Ephethe isilinganiso mass nezinye buthule. Iqiniso lokuthi wonke amaplanethi - ukudla okuqinile. Izinkanyezi zona ziyiziqondiso ikakhulu gaseous, noma iArmagedoni ukusabela, okunikeza okushisa fantastically eliphezulu izinkanyezi, ngeke kwenzeke.
Kodwa yini eyenza unozungezilanga inkanyezi okwamanje? Planet nge ncazelo uye trajectory ngokuthi orbit. Futhi siqiniseke ukuba azungeze inkanyezi njengophawu omkhulu nendikimba ethile esemkhathini. Inkanyezi kungahambi esibhakabhakeni. Uma une ukubekezela kanye nobusuku obungamashumi ambalwa ukuqapha endaweni ethize kwesibhakabhaka, ukuhamba amaplanethi kungabonwa ngeso lenyama, ngisho kancane (kodwa okungenani azisebenzi ngaphandle koxhumano isibonakude amateur).
izici ezingeziwe
Ubukhulu izinkanyezi namaplanethi musa ukuhlonza by iso. Kodwa umehluko ukuthi agcwele ngokunembile umzimba cosmic, zidinga imishini olucacile. Ngokwesibonelo, kwakwakhe ikhemikhali iyatholakala ukunquma for ukuhlaziywa Spectral, ngokunembile uthi, iplanethi noma inkanyezi phambi kwethu. Phela, umhlaba - zinde gaseous, Ngakho-ke, bona yakhiwa izakhi ukukhanya. A iplanethi zihlanganisa izingxenye ngokuyinhloko okuqinile.
Inkomba engaqondile kungenzeka khona satellite (ngisho ngaphezulu). Ziyakwazi kuphela amaplanethi. Nokho, uma satellite is hhayi waphawula, akusho ukuthi inkanyezi ngokucacile phambi kwethu - ezinye planethi uphathe kahle ngaphandle ezifana "omakhelwane."
Izazi zezinkanyezi Kusafanele olunye uphawu ukuthola ukuthi kule planethi isimane nje zithole lesi sidumbu cosmic. Orbit lapho ke ihamba, kumelwe abe umuntu okungekho lezinto angaphandle, ukubeka ngembaba, udoti. Satellites kungukuthi sene usayizi mikhulu, ngaphandle kwalokho bengingeke asewile kwamanzi. umthetho ngale ndlela kwanika muva ngokwanele - ngo-2006. Siyabonga kuye, Eris, Ceres futhi - ukunakwa! - Pluto manje kubhekwe ukuba hhayi ngokugcwele, kanye amaplanethi yemifino.
isayensi yezinkanyezi
Ososayensi ziyehluka ngaba nelukuluku. Ukwazi kahle kamhlophe ukuthi izinkanyezi sihluke amaplanethi, bona, nokho, babefuna ukwazi ukuthi kazi kuzokwenzekani lapho iplanethi omkhulu bayonidlula, isibonelo, ubukhulu ilanga. Kwavela ukuthi ukwanda okungaka ngobukhulu planethi kuzoholela waba ukwanda okukhulu kwezincwadi ingcindezi Kuyi-nucleus umzimba cosmic; lokushisa eminye ifinyelela wezigidi (noma ngaphezulu) degrees; uqale ukusabela enuzi kanye iArmagedoni - futhi esikhundleni iplanethi, sithola inkanyezi ezisanda kuzalwa.
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