Video: Vim li cas Novae tshwm sim?
2024 Tus sau: Miles Stephen | [email protected]. Kawg hloov kho: 2023-12-15 23:36
Novae thiab Supernovae. A nova tshwm sim Thaum lub ntsej muag dawb, uas yog qhov tseem ceeb ntawm lub hnub qub ib zaug, "nyem" roj los ntawm nws lub hnub qub nyob ze. Thaum cov roj txaus ua rau ntawm qhov chaw ntawm lub ntsej muag dawb nws ua rau muaj kev tawg. Rau ib lub sijhawm luv luv, lub kaw lus tuaj yeem ci mus txog ib lab lub sijhawm ci dua li qub.
Ua raws li qhov no, vim li cas supernovas tshwm sim?
Raws li lub hnub qub khiav tawm ntawm cov roj nuclear, qee qhov ntawm nws cov huab cua ntws mus rau hauv nws cov tub ntxhais. Thaum kawg, lub hauv paus tseem hnyav heev uas nws tsis tuaj yeem tiv taus nws tus kheej lub zog gravitational. Cov tub ntxhais hluas tawg, uas ua rau tawg loj heev ntawm ib supernova . Lub hnub yog ib lub hnub qub, tab sis nws ua tsis muaj loj txaus los ua ib tug supernova.
Ib yam li ntawd, qhov system zoo li cas tsim cov novae? Classical nova eruptions yog feem ntau hom ntawm nova . Lawv zoo li tsim nyob rau hauv lub hnub qub binary ze qhov system muaj xws li ib tug dawb dwarf thiab ib tug loj ib feem, subgiant, los yog liab giant hnub qub.
Kuj tseem paub, vim li cas novae rov ua dua thiab supernovae tsis ua?
LUS TEB: Tom qab ntawv nova tawg, dua tshiab saum npoo txheej yuav tau sau sai sai rau cov dawb dwarf vim lub loj hloov. Yog li, cov nova tawg yuav rov ua dua.
Nova theem yuav kav ntev npaum li cas?
Cov outbursts lawv tus kheej tuaj yeem kawg nyob qhov twg los ntawm ob peb hnub mus rau xyoo, tab sis feem ntau, lub brighter lub nova , qhov luv nws lub sijhawm. Classical novae tshwm sim hauv a kaw binary system qhov twg a dawb thiab a lub hnub qub tseem ceeb nyob ib puag ncig nrog ib lub sijhawm feem ntau tsawg dua 12 teev.
Pom zoo:
Qhov twg tshwm sim thawj lub teeb nyob ntawm qhov tshwm sim lossis lub teeb ywj pheej?
Lub Teeb-Dependent thiab Lub Teeb-Independent Reactions. Cov tshuaj tiv thaiv lub teeb, lossis cov tshuaj tiv thaiv lub teeb-dependent, yog thawj zaug. Peb hu lawv ob leeg thiab ob lub npe. Nyob rau hauv lub teeb-dependent tshwm sim ntawm photosynthesis, lub zog ntawm lub teeb propels lub electrons los ntawm ib tug photosystem mus rau lub high-zog lub xeev
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