Lub planetary nebula loj npaum li cas?

2024 Tus sau: Miles Stephen | [email protected]. Kawg hloov kho: 2023-12-15 23:36

kwv yees li ib lub xyoo kaj

Tsuas yog li ntawd, lub teeb yog lub ntiaj teb nebula li cas?

Planetary nebulae Nws muaj qhov ntom ntom ntau dua li thaj tsam H II, feem ntau muaj 1, 000-10, 000 atoms ib cubic cm nyob rau hauv lawv cov cheeb tsam tuab, thiab muaj qhov ci ntsa iab 1, 000 lub sij hawm loj dua. High-resolution duab ntawm a planetary nebula feem ntau nthuav tawm cov pob me me thiab filaments mus rau qhov kev daws teeb meem.

Qhov thib ob, dab tsi xim yog lub ntiaj teb nebula? Planetary nebulae feem ntau muaj cov pa oxygen emissions, feem ntau ua rau planetary nebulae tshwm xiav- ntsuab in xim ntuj. Nyob rau hauv qhov chaw tsaus ntuj, cov me me planetary nebulae feem ntau sawv tawm hauv txoj kev Milky li me me ntsuab ntawm lub hiav txwv daj thiab liab hnub qub thiab xim av-txiv kab ntxwv hmoov av.

Tsis tas li ntawd, yuav ua li cas lub planetary nebula tsim?

A planetary nebula yog tsim thaum lub hnub qub tshuab tawm nws cov txheej txheem txheej tom qab nws tau khiav tawm ntawm cov roj mus hlawv. Cov txheej txheej ntawm cov roj no nthuav mus rau hauv qhov chaw, tsim ib nebula uas feem ntau yog cov duab ntawm lub nplhaib lossis npuas.

Puas yog planetary nebula tawg?

A planetary nebula yog ib qho khoom siv hnub qub uas muaj lub plhaub ci ntsa iab ntawm cov pa roj thiab plasma tsim los ntawm ntau lub hnub qub thaum lawv mus txog qhov kawg ntawm lawv lub neej, thaum lub nova yog cataclysmic nuclear. tawg tshwm sim los ntawm acretion ntawm hydrogen mus rau saum npoo ntawm ib tug ze-tuag dawb dwarf hnub qub nyob rau hauv ib tug kaw binary.