Video: Koj pom asteroids nyob qhov twg hauv lub hnub ci?
2024 Tus sau: Miles Stephen | [email protected]. Kawg hloov kho: 2023-12-15 23:36
Txawm tias asteroids orbit lub hnub zoo li cov ntiaj chaw, lawv muaj ntau me dua cov ntiaj chaw. Muaj ntau ntau asteroids hauv peb hnub ci system . Lawv feem ntau nyob hauv lub ntsiab asteroid siv-ib thaj tsam ntawm lub orbits ntawm Mars thiab Jupiter. Ib txhia asteroids mus rau pem hauv ntej thiab qab Jupiter.
Yog li ntawd, cov asteroids nyob qhov twg?
Asteroids yog cov khoom pob zeb uas feem ntau pom nyob rau hauv asteroid siv , ib cheeb tsam ntawm lub hnub ci uas nyob ntau dua 2 ½ npaug ntawm qhov deb ntawm lub hnub raws li lub ntiaj teb ua, nruab nrab ntawm lub orbits ntawm Mars thiab Jupiter . Cov khoom no qee zaum hu ua me ntiaj chaw lossis planetoids.
Ib yam li ntawd, cov asteroids nrhiav tau li cas? Nyob rau hauv 1801, thaum ua ib daim ntawv qhia hnub qub, Italian pov thawj thiab astronomer Giuseppe Piazzi yuam kev. nrhiav pom thawj thiab loj tshaj asteroid, Ceres, orbiting ntawm Mars thiab Jupiter. Nyob rau hauv thawj ib nrab ntawm lub xyoo pua puv 19, ntau yam asteroids tau nrhiav pom thiab cais raws li cov hnub qub.
Ib tug kuj nug, puas muaj asteroids sab nraum lub hnub ci?
Nyob ntawd muaj tsawg asteroids dhau mus 4.2 AU, kom txog rau thaum Jupiter lub orbit. Ntawm no yog ob tsev neeg ntawm Trojan asteroids tuaj yeem pom, uas tsawg kawg rau cov khoom loj dua 1 km, yog kwv yees li ntau npaum li qhov asteroids ntawm asteroid siv.
Yuav ua li cas asteroids tsiv nyob rau hauv lub hnub ci system?
Yuav luag tag nrho cov asteroids hauv peb hnub ci system yog orbiting nyob rau hauv ib tug dav band 19, 400, 000 mais dav ntawm Jupiter thiab Mars. Cov asteroids yog orbiting lub hnub, txhua tus mus ncig lub hnub sai txaus rau lub orbits tsis degrade. Qhov tseeb, Phobos thiab Diemos, ob lub hli me me ntawm Mars, yuav raug ntes asteroids.
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