Meteoroids nyob qhov twg?
Meteoroids nyob qhov twg?

Video: Meteoroids nyob qhov twg?

Video: Meteoroids nyob qhov twg?
Video: David Yang - Koj Nyob Qhov Twg Ft. Hands Band (Prod. By Lytos) 2024, Kaum ib hlis
Anonim

Meteoroids yog pob zeb los yog hlau uas orbit lub hnub, ib yam li cov ntiaj chaw, asteroids, thiab comets ua. Meteoroids muaj nyob thoob plaws hauv lub hnub ci, los ntawm cov pob zeb hauv ntiaj teb mus rau qhov chaw deb ntawm Kuiper txoj siv.

Ib yam li ntawd ib tug yuav nug, muaj pes tsawg meteoroids nyob hauv peb lub hnub ci?

Ntau tshaj 50,000 meteorites tau pom hauv ntiaj teb. Ntawm cov no, 99.8 feem pua los ntawm asteroids. Qhov seem me me (0.2 feem pua) ntawm meteorites yog cais roughly sib npaug ntawm meteorites los ntawm Mars thiab lub hli.

Tsis tas li ntawd, 3 hom meteoroids yog dab tsi? Peb Main Hom Meteorites Txawm hais tias muaj ntau cov chav kawm sub, meteorites muab faib ua peb Cov pab pawg tseem ceeb: hlau, pob zeb thiab pob zeb-hlau.

Tom qab ntawd, dab tsi yog meteors ua los ntawm?

Meteors tsis muaj ntau tshaj li hmoov av thiab dej khov los ntawm txoj kev ntawm comets. Meteorites tuaj yeem yog "stony", ua li ntawm cov zaub mov nplua nuj nyob rau hauv silicon thiab oxygen, "hlau", uas yog feem ntau ntawm hlau thiab npib tsib xee, los yog "stony-hlau", ib tug ua ke ntawm ob.

Qhov loj meteoroid yog dab tsi?

A huab cua yog ib lub pob zeb me me lossis cov khoom khib nyiab hauv peb lub hnub ci. Lawv muaj nyob rau hauv qhov loj los ntawm plua plav mus txog 10 meters hauv txoj kab uas hla (cov khoom loj dua feem ntau hu ua asteroids). A huab cua uas kub hnyiab tau thaum nws hla lub ntiaj teb huab cua yog hu ua meteor.

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