Population 3 hnub qub yog dab tsi?
Population 3 hnub qub yog dab tsi?

Video: Population 3 hnub qub yog dab tsi?

Video: Population 3 hnub qub yog dab tsi?
Video: yog hmoov dab tsi tub huas xyooj 2024, Kaum ib hlis
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Population III hnub qub yog ib tug hypothetical pej xeem ntawm heev loj thiab kub hnub qub nrog zoo tsis muaj hlau, tshwj tsis yog tejzaum nws intermixing ejecta los ntawm lwm yam nyob ze Pej xeem III supernovas.

Ntawm no, qhov txawv ntawm cov pejxeem 1 thiab 2 hnub qub yog dab tsi?

Cov pejxeem Kuv hnub qub suav nrog lub hnub thiab zoo li luminous, kub thiab hluas, concentrated hauv disks ntawm kauv galaxies. Population II hnub qub zoo li yuav pom nyob rau hauv globular pawg thiab cov nucleus ntawm lub galaxy. Lawv zoo li qub, tsis tshua muaj luminous thiab txias dua Cov pejxeem Kuv hnub qub.

Qhov thib ob, lub hnub puas yog lub hnub qub thib peb? Cov Hnub yog tiag a THIRD tiam hnub qub . Thaum kawg peb rov qab mus rau thawj tiam hnub qub , yug los ntawm primordial roj los ntawm lub loj bang uas muaj yuav luag tsis muaj hnyav ntsiab (cov tshaj helium) txhua.

Xav txog qhov no, dab tsi yog pop I POP II thiab Pop III hnub qub?

Pej xeem III ( Pop III ) hnub qub Nws yog tsim los ntawm cov roj ntsha tseem ceeb - hydrogen, helium thiab tsawg heev ntawm lithium thiab beryllium. Cov no Pop III hnub qub ces yuav tsim cov hlau pom nyob rau hauv Pop II star thiab pib maj mam nce hauv metallicity nyob rau tiam tom ntej ntawm hnub qub.

Cov hnub qub twg yog hlau nplua nuj?

Piv txwv li, hnub qub thiab nebulae nrog cov nplua nuj ntawm carbon, nitrogen, oxygen, thiab neon yog hu ua " hlau - nplua nuj " hauv cov ntsiab lus astrophysical, txawm tias cov ntsiab lus tsis yog hlau hauv chemistry.

Pom zoo: