Cov txheej txheem:
- Hnub qub nyob rau hauv lub kauv galaxy muaj pes tsawg xyoo?
- Pob kauv galaxies puas muaj hnub qub liab?
- Lub hnub qub puas tsim nyob rau hauv kauv galaxies?
- Dab tsi galaxies muaj hnub qub qub?
Video: Puas kauv galaxies puas muaj hnub qub qub?
2024 Tus sau: Fiona Howard | [email protected]. Kawg hloov kho: 2024-01-10 06:38
Feem ntau cov kauv galaxies muaj lub hauv paus bulge puag ncig los ntawm lub tiaj tus, rotating disk ntawm cov hnub qub. Lub pob hauv nruab nrab yog tsim los ntawm cov laus, cov hnub qub dimmer, thiab xav tias muaj lub qhov dub loj heev. … Cov caj npab kauv no muaj roj thiab hmoov av thiab cov hnub qub hluas uas ci ntsa iab ua ntej lawv yuav tuag sai sai.
Hnub qub nyob rau hauv lub kauv galaxy muaj pes tsawg xyoo?
Siv kev soj ntsuam los ntawm Chile's Gemini South telescope thiab cov ntaub ntawv khaws cia Hubble Space Telescope cov ntaub ntawv, cov kws tshawb fawb suav hnub nyoog ntawm cov hnub qub yuav yog kwv yees li 12.8 billion xyoo - ua rau lawv qee qhov. Cov hnub qub qub tshaj plaws puas tau pom nyob rau hauv Milky Way lossis lub ntiaj teb loj.
Pob kauv galaxies puas muaj hnub qub liab?
Ob txhais caj npab thiab lub disk ntawm lub kaw lus kauv yog xiav xim, qhov chaw hauv nruab nrab yog xim liab zoo li lub elliptical galaxy. … Kub dua, cov hnub qub hluas yog xiav, laus dua, cov hnub qub txias yog liab. Yog li, qhov nruab nrab ntawm tus kauv yog ua los ntawm cov hnub qub qub, nrog cov hnub qub hluas hauv caj npab tsim tsis ntev los no tawm ntawm cov pa thiab hmoov av.
Lub hnub qub puas tsim nyob rau hauv kauv galaxies?
Cov caj npab kauv nyob rau hauv kauv galaxies yog ib hom ntawm ib puag ncig uas lub ntiajteb txawj nqus yog thawb cov pa roj thiab hmoov av los ua cov hnub qub zoo dua dua li lwm qhov ntawm cov kauv galaxy. Qhov no yog vim li cas koj thiaj pom ntau lub hnub qub tsim cov cheeb tsam thiab sau cov hnub qub hluas (qhib pawg) hauv caj npab kauv dua li lwm qhov ntawm lub kauv galaxy.
Dab tsi galaxies muaj hnub qub qub?
Elliptical galaxies muaj ntau lub hnub qub qub, tab sis hmoov av me me thiab lwm yam teeb meem interstellar. Lawv cov hnub qub ncig lub galactic chaw, zoo li cov nyob rau hauv cov disks ntawm kauv galaxies, tab sis lawv ua li ntawd nyob rau hauv ntau random cov lus qhia. Ob peb lub hnub qub tshiab paub tias tsim nyob rau hauv elliptical galaxies.
Pom zoo:
Cov hnub qub puas yuav sib tsoo thaum galaxies sib koom ua ke?
Qhov ntawd yog vim cov hnub qub hauv galaxies sib cais los ntawm qhov deb zoo li no. Yog li cov hnub qub lawv tus kheej feem ntau tsis sib tsoo thaum galaxies sib koom ua ke… Txoj Kev Milky muaj txog 300 billion hnub qub. Lub hnub qub los ntawm ob lub galaxies yuav muab pov rau hauv lub orbits tshiab nyob ib ncig ntawm lub chaw tshiab galactic .
Puas galaxies tsis xwm yeem muaj cov hnub qub hluas?
Raws li lub npe qhia, "tsis xwm yeem" galaxies tsis muaj daim ntawv tshwj xeeb, thiab yog li pab pawg muaj ntau yam khoom xaiv. … Lawv muaj ib feem loj ntawm cov hnub qub hluas, thiab qhia cov luminous nebulae uas tseem pom nyob rau hauv kauv galaxies .
Lub hnub qub twg yog lub hnub qub uas pom tau tshaj plaws?
Ursa Major, tseem hu ua Great Xyooj yog lub npe nrov tshaj plaws ntawm txhua lub hnub qub, ua tsaug rau nws cov yeeb yam nto moo tshaj plaws, Lub Loj Dipper, uas ua rau kwv yees li ib nrab ntawm cov hnub qub. Ursa Major constellation. Cov pawg hnub qub zoo li lub ladle yog ib qho ntawm cov hnub qub uas pom tau tshaj plaws thiab sib txawv tau yooj yim nyob rau saum ntuj .
Lub hnub qub twg muaj lub hnub qub?
Yuav ua li cas nrhiav North Star. Polaris nyob rau hauv lub constellation ntawm Ursa Minor, Tus Me Nyuam Dais. Nws qee zaum kuj mus los ntawm lub npe "Stella Polaris." Xya lub hnub qub uas peb muab tau ib dais tseem hu ua Little Dipper .
Lub sijhawm twg los lub hnub qub thiab lub hnub qub sib luag?
Tsis txhob nco lawv! Lub Virtual Telescope Project hauv Rome yuav nthuav qhia Jupiter-Saturn txuas rau lub Kaum Ob Hlis 21, 2020, pib ntawm 16:00 UTC; txhais UTC rau koj lub sijhawm . Lub sijhawm Jupiter thiab Saturn yuav ua li cas? Txhawm rau pom Jupiter thiab Saturn txoj hauv kev thiab kev sib koom siab kawg, nrhiav lawv qis nyob rau sab qab teb sab hnub poob hauv ib teev tom qab hnub poob, raws li NASA.
