<prompt> Bheka isigaba esingezansi bese uphendula umbuzo emva kwalokho ngolimi olufanayo nesigaba: Ukudlula: Izinqwaba zezinkanyezi eziyindilinga ziphakathi kwezinto ezindala kunazo zonke eMilky Way, ngaleyo ndlela zibeka umkhawulo ophansi eminyakeni yobudala beMilky Way. Iminyaka yezinkanyezi ezithile emthaleni i-Milky Way ingalinganiselwa ngokulinganisa ubuningi bezinto ezinemisebe eziphila isikhathi eside njenge-thorium-232 ne-uranium-238, bese kuqhathaniswa imiphumela nokulinganiselwa kobuningi bayo bokuqala, inqubo ebizwa ngokuthi i-nucleocosmochronology. Lezi zindinganiso zokukhiqiza zeminyaka engaba yizigidi eziyizinkulungwane eziyi-12.5 3 ze-CS 31082-001 kanye neminyaka eyizigidi eziyizinkulungwane eziyi-13.8 4 ye-BD 17 3248. Lapho i-white dwarf isakhiwe, iqala ukupholisa ngenxa yemisebe futhi izinga lokushisa layo liyancipha. Ngokulinganisa izinga lokushisa kwalezi zinkanyezi ezimhlophe ezibanda kunazo zonke nokuziqhathanisa nezinga lokushisa kwazo okucatshangwa ukuthi zazinalo ekuqaleni, kungenziwa isilinganiso sobudala bazo. Ngalobu buchwepheshe, ubudala beqoqo lezinkanyezi eliyi-M4 balinganiselwa eminyakeni eyizigidi eziyizinkulungwane ezingu-12.7 0.7. Izilinganiso zeminyaka yezinkanyezi ezindala kunazo zonke kulezi zinqwaba zinikeza isilinganiso esihle kakhulu seminyaka eyizigidi eziyizinkulungwane ezingu-12,6, futhi umkhawulo wokuthembela ongu-95 uneminyaka eyizigidi eziyizinkulungwane ezingu-16. NgoNovemba 2018, izazi zezinkanyezi zabika ukutholakala kwenye yezinkanyezi ezindala kunazo zonke endaweni yonke. Ineminyaka engaba yizigidi eziyizinkulungwane ezingu-13,5 ubudala, i-2MASS J18082002-5104378 B iyinkanyezi encane ye-UMP eyakhiwe cishe ngokuphelele ngezinto ezikhishwe ku-Big Bang, futhi mhlawumbe ingenye yezinkanyezi zokuqala. Ukutholakala kwenkanyezi emthaleni i-Milky Way kusikisela ukuthi lo mthala kungenzeka okungenani uneminyaka eyizigidi eziyizinkulungwane ezintathu ubudala kunalokho obekucatshangwa ngaphambili. Kuye kwatholakala izinkanyezi eziningana emthaleni we-Milky Way ezineminyaka elinganisiwe esondele kakhulu eminyakeni engu-13.80-billion-year age of the Universe. Ngo-2007, inkanyezi ese-halo yomthala, i-HE 1523-0901, kwakulinganiselwa ukuthi yayineminyaka engaba yizigidi eziyizinkulungwane ezingu-13.2 ubudala. Njengoba kwakuyizinto ezindala kunazo zonke ezaziwayo eMilky Way ngaleso sikhathi, lokhu kulinganiswa kwabeka umkhawulo ophansi eminyakeni yobudala beMilky Way. Lokhu kulinganisela kwenziwa kusetshenziswa i-UV-Visual Echelle Spectrograph ye-Very Large Telescope ukukala amandla aqondene emigqeni ye-spectral ebangelwa ukuba khona kwe-thorium nezinye izakhi ezakhiwe... Umbuzo: Inkanyezi eku-HE 1523-0901 ineminyaka emingaki?  <response>: Iminyaka eyizigidi eziyizinkulungwane ezingu-13.2 