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Waa maxay magaca Galaxy? Anatomy ee muquuninta weyn

Maanta in magaca Galaxy, oo iskuul kasta waa ogyahay. Laakiin waxa aan ahaa had iyo jeer. Caanno Jidka - boqortooyadiisa weyn, oo ka kooban boqolaal balaayiin nidaamka hugaaminaya gravitationally ku xidhay - waa hooyo runtan. Waxa uu mar walba soo jiitay binu-aadmiga oo iyo isaga ka dhigay xiisaha ay u daran. Ku dhowaad dhammaan dadka iyo dalalka qadiimiga jirey in su'aasha ah ee magaca Galaxy ay jawaab u gaar ah.

Wadamada qaar ka mid ah dunida qadiimiga ah loo yaqaan calooshiisa Jidka Gacaliye Ilaah, in dadka kale - Star Bridge. Tusaale ahaan, waxa uu u adeegsanayaa horyaalka "samaawi ah River" ee qadiimiga Shiinaha. Midnimada xaalkan ma jirin. Laakiin kiis kasta, dhammaan daafaha dunida qadiimiga ah Jidka calooshiisa ka waxaa loo tixgeliyaa inay muqadas ah. In uu sharaf, macbudyo dhisay, caabudeen.

Daraasad cilmiyaysan taariikhda Jidka calooshiisa yahay ugu yaraan laba kun oo sano. Oo hadda loo fekeri karin ma oga magaca Galaxy, sababtoo ah su'aasha khaas ah oo ku saabsan sida nolosha bilaabay iyo waxa noo sugnaaday mustaqbalka, waa lagama sooci karo fikirka. Kaliya qaybta saadaalin karo caalamka oo dhan, waxaa jira qiyaastii laba boqol oo bilyan oo falagyada.

Mid kasta oo iyaga ka mid ah waa mid gaar ah in ay qaab-dhismeedka, waa wayn ee size iyo waa si joogto ah in mooshin. Galaxy dagaal badan. Waxay ka dhalatay ay sabab u tahay oo ka mid ah dhibaatooyinka dabiiciga ah runtan grand iyo dhimasho rabshad. Galaxy - a ishaartay xidiga dhabta ah. Stars, naf to our caalamka, ifi ah, iyo kulaalaa iyada, waxaa ku dhashay cluster ah galactic weyn ee gaaska iyo boodh, wax dhismahan oo dhan jidhadhka samada.

Mid ka mid ah dhismayaasha cajiib ah waa meel Rafaa oo guriga Ilaaheenna ugu fiican - Jidka calooshiisa ka. Inta badan taariikhda sayniska midnimada Dadka su'aasha ah ee sida Galaxy waxa loo yaqaan, ma ahaa. Waxaa intaa dheer, muddo dheer, saynisyahano rumeysan Jidka calooshiisa ka Galaxy kaliya ee caalamka, nooc ka mid ah jasiirad barwaaqaysan ee badda badan runtan iyo nolol la'aan.

Laakiin 1924, Erwin Hubble logu samada samada iyadoo la kaashanayo ku telescopes ugu horumarsan waqtiga, beddelay fikradda guud. Wuxuu ogaaday qoto dheer in meel bannaan oo kooxaha dahsoon iftiinka iyo gabagabeeyey in uu helin walax kaliya oo aqlabayadii xiddiga dhan ka baxsan Jidka calooshiisa ka. Sayidka, Hubble ayaa galisay xiddigaha oo keenay heerka cusub ee waxbarashada ee dhismaha guriga galactic.

Calooshiisa Way iska leh faraha ka, nooca ugu badan ee ay kooxahaasi star. Qaab-dhismeedka of our Galaxy iyo waxyaalaha qarsoon weyn ee caalamka oo dhan ayaa haatan noqday more la heli karo si ay indhaha aadanaha, si telescopes casriga ah iyo meel wadin, si joogto ah loo gudbiyey Earth xogta la ururiyey mahad.

Sidaas daraaddeed, waxaan bartay in qaybinta xiddigaha uu leeyahay dabeecad u ah iyo muujinta a kala duwan, taas oo ah in ay fiirsashada sida dhowaadaan xarunta galactic ee si weyn u kordhiyaa. Tani waxay ogol yahay saynisyahano uu u sameeyo gunaanad ku saabsan joogitaanka ee xarunta of jirka supermassive oo maamuusaan cajiib ah oo awood badan.

Xaruntu waxay of our Galaxy, oo ku yaalla shir tagayso ee Sagittarius, waxa ay u muuqataa, wayn mashquul godka madow. Anyway, tani waa sharaxaad kaliya ee macquulka ah waa in sayniska casriga ah ku siin karaan qaybinta ah xiddigaha. In mustaqbalka, our Galaxy sugaya a aafadaas awood runtan - shil la Galaxy Andromeda ah, dhinaca taas oo aanu si degdeg ah ku yaacaya. Sidaas darteed masiibadan Andromeda, size waa badan ka sii badan tahay Jidka calooshiisa ka, nuugo our xiddiga wuxuu joogay, taas oo ka joojin doonaa si uu u jiro, laakiin halkii sameeyay Galaxy cusub. Iyo horumar ah ee caalamka ay sii wadi doonto ...

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