Dab tsi yog qhov txawv ntawm kauv galaxies thiab barred kauv galaxies?
Dab tsi yog qhov txawv ntawm kauv galaxies thiab barred kauv galaxies?

Video: Dab tsi yog qhov txawv ntawm kauv galaxies thiab barred kauv galaxies?

Video: Dab tsi yog qhov txawv ntawm kauv galaxies thiab barred kauv galaxies?
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Dab tsi yog qhov txawv ntawm ib barred kauv galaxy thiab elliptical galaxy ? A thaiv kauv muaj ob lossis ntau dua kauv caj npab hauv a flat disk, qhov twg caj npab txuas nrog ib lub hnub qub bar. Bar thiab kauv caj npab yog active cheeb tsam ntawm lub hnub qub tsim. Qhov nruab nrab ntawm lub bar feem ntau yog ib tug kheej kheej bulge.

Ib yam li ntawd, qhov txawv ntawm ib lub kauv galaxy thiab lub kauv galaxy barred kauv yog dab tsi?

Lub bulge thiab halo muaj feem ntau ntawm laus hnub qub, qhov twg kauv caj npab muaj roj ntau dua, plua plav thiab cov hnub qub hluas. Ib txhia kauv galaxies yog dab tsi peb hu " txwv spirals "vim hais tias lub hauv paus bulge zoo li elongated - zoo li ib tug bar. Hauv barred spirals , cov kauv caj npab ntawm tus galaxy tshwm rau lub caij nplooj ntoos hlav tawm ntawm qhov kawg ntawm lub bar.

Dab tsi yog lub ntsej muag ntawm kauv galaxy? Kauv Galaxies . Yog tias koj tuaj yeem pom meej meej kauv shape, cov galaxy hu ua " ntsej muag ntawm kauv ” Yog tias koj pom cov galaxy los ntawm sab, nws yog hu ua "ntug-on kauv "Koj tuaj yeem paub txog ntug kauv galaxies vim tias koj tuaj yeem pom lawv qhov ci ntsa iab hauv nruab nrab.

Tsis tas li ntawd, ob hom kauv galaxies yog dab tsi?

Kauv galaxies raug cais rau hauv ob pab pawg, zoo tib yam thiab txwv. Cov pab pawg zoo tib yam raug xaiv los ntawm S lossis SA, thiab pawg txwv los ntawm SB.

Cov kauv galaxies puas muaj cov hnub qub qub?

Cov caj npab ntawm a kauv galaxy muaj ntau cov pa roj thiab plua plav, thiab lawv feem ntau yog qhov chaw tshiab hnub qub niaj hnub tsim. Lub pob ntawm a kauv galaxy yog tsim los ntawm laus , liab hnub qub . tsawg heev hnub qub tsim mus nyob rau hauv lub bulge.

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