I-EDGES yayikuphela kwento esasiyifuna ukufumanisa ukuba iinkwenkwezi zokuqala zavela nini

Namhlanje, uninzi lwamaziko ophando kunye nawokuhlola asebenza phantse yonke imihla ukuze azi ngcono okungakumbi ubungqonge obujikeleze uMhlaba. Ayisebenzi nje kuphela ekufumaneni iiplanethi ezintsha okanye ekufumaneni impendulo ngobukhulu bendalo yonke, kodwa siphanda ngendlela ephindeneyo, oko kukuthi, umzekelo azi xa kwavela iinkwenkwezi zokuqala.

Ukukuqonda ngcono oku, ngakumbi ubunzima obunokububandakanya, kufuneka sibuyele kwindalo yonke, esinokuthi, yayisandula ukwenziwa, sithetha ngexesha Malunga neminyaka eyi-180 yezigidi eyadlulayo, kanye emva kokuqhushumba kweBig Bang eyaziwayo, ngelo xesha, ngokophando olusandula kupapashwa, iinkwenkwezi zokuqala zakwazi ukubonakala.

I-EDGES sisixhobo esisivumele ukuba sazi ukuba iinkwenkwezi zokuqala zavela nini esibhakabhakeni

Ukukuqonda ngcono oku, ndifuna ukuthetha nawe malunga IINKCUKACHAIsixhobo esikhethekileyo esikwi ndawo ekude kwintshona yeOstreliya, ngakumbi kwi I-Murchison Radio i-Astronomical yokujonga. Esi sixhobo sisetyenziswa ngoososayensi abavela kwi-MIT kunye ne-Arizona State University ukukhangela nakuphi na umkhondo malunga nokuba i-cosmos ingavela njani kwindawo yokuqala, ukuhanjiswa kwayo ... inqaku elithile elibonisa ukuba sikwazi njani ukufikelela kwiintsuku zethu.

Ukuya kwiinkcukacha ezithe kratya kwaye njengoko sinokufunda kwiphepha le mit, I-EDGES ayikho enye into ngaphandle kwe Inkqubo encinci ye-eriyali Apho kufakelwe ibhendi esezantsi kunye nesixhobo sebhendi ephezulu, isixhobo sokufumana umboniso kunye nezinto ezahlukeneyo ze-elektroniki. Eli qonga lonke lilungelelaniswe ngokuchanekileyo ukuze likwazi 'ukuva' uhlobo oluthile lwengxolo yendawo.

Phakathi kwezinye, i-EDGES ngoku isetyenziswa yi-MIT kunye neArizona State University.

Eyona njongo iphambili yesi sixhobo sintsonkothileyo kukuchonga ukuba yayiyintoni na indalo yonke ngaphambi kokuba yenziwe, oko kukuthi, ukuqala ukuvela koku sikwaziyo namhlanje. Ngamazwi obugcisa athe kratya, ukwazi indalo iphela ngalo mzuzu apho ukukhanya kwe-ultraviolet kweenkwenkwezi zokuqala kungene khona kwi-hydrogen yokuqala eyayikho ngelo xesha ikwimo yegesi.

Ngokwamazwi ka URaúl Monsalve, umphandi kwiziko le-Astrophysics kwiDyunivesithi yaseColorado Boulder kunye nomnye wabaphandi osebenzisane nalo msebenzi:

Umqondiso uyavumelana ngeendlela ezininzi noqikelelo lwethiyori malunga neenkwenkwezi zokuqala kunye neminyele kwindalo yokuqala. Umlinganiso wethu ubonakalisa ukuba ezi nkwenkwezi zokuqala kunye neminyele zazibumba iminyaka ezizigidi ezili-180 emva kweBig Bang. Ukufumana lo mqondiso mncinci kuvule iwindow entsha kwindalo yokuqala. Iiteleskopu azinakufanekisela ngokuthe ngqo ezi nkwenkwezi zakudala, kodwa into eziyibambayo ziguqulwa zibe ziimpawu zerediyo ezisuka emajukujukwini.

I-EDGES isebenza ekufumaniseni ukukhutshwa kwi-21 cm ekhutshwe ziinkwenkwezi zokuqala xa zazidalwa

Njengoko kubonakala kwiphepha elipapashiweyo, ngokucacileyo indlela iqela labaphandi eliye lakwazi ngayo ukufaka lo mqondiso emajukujukwini ibintsokothile kuba i-EDGES ayilinganisi ngokuthe ngqo umqondiso okhutshwe ziinkwenkwezi zokuqala, kodwa endaweni yoko ngumqondiso okhutshwe iinkwenkwezi zokuqala. imitha ekhutshwa yirhasi yehydrogen apho ezi nkwenkwezi zivela khona.

Umbono ngokusisiseko ubandakanya ukuyila kunye nokwenza isixhobo, kule meko i-EDGES, ekwazi ukulinganisa uhlobo oluthile 'eLuzi', Into kule mihla iiteleskopu eziqhelekileyo azikwazi ukulinganisa. Ngokukodwa, sithetha nge-hydrogen engathathi hlangothi kunye nengqele ekhutshwe kwinqanaba lokuqala kwimbali yendalo yonke, ukukhutshwa inokubanjwa ukuba ngaba ukukhutshwa kufundwe nge-21 cm.

Ithiyori ithi, nje ukuba iinkwenkwezi zokuqala zikhanyise indalo iphela, ukukhanya kwe-ultraviolet abakukhuphileyo kungene kwi-hydrogen yegesi enkulu kwaye ikwazile ukuguqula imeko yayo yokonwaba, yile nto kanye ibizwa ngokuba yi-21 cm, utshintsho ingabangela ukuba ihydrogen ifunxe iifoto ezivela kwimvelaphi ye-microwave ishiya ifayile ye- Iminwe yeminwe ekhoyo ngoku kwinqanaba lerediyo elingaphantsi kwe-200 MHz.

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