Puas yog planetary nebulae tsim cov ntiaj chaw?
Puas yog planetary nebulae tsim cov ntiaj chaw?

Video: Puas yog planetary nebulae tsim cov ntiaj chaw?

Video: Puas yog planetary nebulae tsim cov ntiaj chaw?
Video: Leng Yang - Yog Vim Dab Tsi (Official Full Song | Nkauj Tawm Tshiab) 2020/05/24 2024, Tej zaum
Anonim

Planetary Nebula : Gas thiab Dust, thiab No Ntiaj chaw Koom nrog. Nyob rau hauv li 5 billion xyoo, thaum lub hnub shucks tawm nws txheej txheej, nws yuav tsim ib tug zoo nkauj plhaub ntawm diffuse gas hu ua ib tug planetary nebula.

Yog li ntawd, dab tsi yog ib tug planetary nebula yuav ua li cas nrog cov ntiaj chaw?

A planetary nebula yog ib qho khoom siv hnub qub uas muaj lub plhaub ci ntsa iab ntawm cov pa roj thiab cov ntshav uas tsim los ntawm qee hom hnub qub thaum kawg ntawm lawv lub neej. Lawv yog qhov tseeb tsis cuam tshuam rau ntiaj chaw ; lub npe originates los ntawm ib tug supposed zoo sib xws nyob rau hauv tsos mus rau loj heev ntiaj chaw.

Ib tug kuj yuav nug, nws yuav siv sij hawm ntev npaum li cas rau lub planetary nebula tsim? Lub hnub qub dhau los ua neeg dawb, thiab cov huab cua nthuav dav dhau los ua qhov tsis pom rau peb, xaus lub hnub qub hnub qub ntawm kev hloov pauv. Rau ib tug raug planetary nebula, txog 10,000 xyoo dhau ntawm nws tsim thiab recombination ntawm cov ntshav plasma.

Kuj tseem yuav paub, ua li cas lub ntiaj teb nebula tsim?

A planetary nebula yog tsim thaum lub hnub qub tshuab tawm nws cov txheej 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 a nebula uas feem ntau yog cov duab ntawm lub nplhaib lossis npuas.

Yuav ua li cas ci ib tug planetary nebula?

Planetary nebulae muaj qhov ntom ntom dua li H II thaj tsam 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 npaug 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.

Pom zoo: