Dab tsi ntawm galaxy yog Milky Way?
Dab tsi ntawm galaxy yog Milky Way?

Video: Dab tsi ntawm galaxy yog Milky Way?

Video: Dab tsi ntawm galaxy yog Milky Way?
Video: Xav rov ntsib koj ib zaug dua. 8/8/2018 2024, Hlis ntuj nqeg
Anonim

Milky Way yog qhov txwv loj kauv galaxy.

Tib neeg kuj nug, qhov kev faib tawm ntawm Milky Way galaxy yog dab tsi?

Raws li kev faib tawm , cov Milky Way yog SBc barred kauv galaxy . Thiab qhov chaw liab saum toj ntawm Orion Arm yog qhov chaw ntawm Lub Hnub Ci.

Ib yam li ntawd, peb lub hnub ci nyob rau hauv Milky Way nyob qhov twg? Cov Hnub Ci System : Cov Hnub Ci System yog nyob rau hauv ib cheeb tsam nyob nruab nrab ntawm ob caj npab hu ua Orion-Cygnus caj npab. Lub caj npab no ntsuas 3,500 lub teeb xyoo thoob plaws thiab yog 10,000 lub teeb xyoo ntev, qhov twg nws tawg tawm ntawm Sagittarius Arm.

Thiab cov lus nug yog, dab tsi yog 4 hom galaxy?

Qhov kev faib tawm no yog hu ua Hubble Sequence. Nws faib cov galaxies rau hauv peb chav kawm loj nrog ob peb qhov kev hloov pauv. Niaj hnub no, galaxies tau muab faib ua plaub pawg loj: kauv , txwv kauv , elliptical , thiab tsis xwm yeem.

Milky Way nyob qhov twg?

Tab sis thaum neeg feem coob tham txog pom qhov mis nyuj ”, lawv tab tom tham txog lub hauv paus ntawm lub galaxy. Nyob Nyob rau hauv lub constellation Sagittarius, qhov no yog lub brightest ib feem ntawm lub mis nyuj . Plua plav txoj kab, nebulas, thiab hnub qub pawg yog tag nrho cov concentrated nyob rau hauv cheeb tsam no.

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