Dab tsi yog qhov tshwj xeeb ntawm comets?
Dab tsi yog qhov tshwj xeeb ntawm comets?

Video: Dab tsi yog qhov tshwj xeeb ntawm comets?

Video: Dab tsi yog qhov tshwj xeeb ntawm comets?
Video: Khuv Xim Tsis Ua Kom koj xeeb kuv tub - Yawg Jet - New Song 2023 2024, Kaum ib hlis
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Comet Qhov tseeb. Comets , zoo li asteroids, yog lub cev me me saum ntuj ceeb tsheej uas orbit lub hnub. Txawm li cas los xij, tsis zoo li asteroids, comets yog tsim los ntawm cov ammonia khov, methane los yog dej, thiab tsuas muaj me me ntawm cov khoom siv pob zeb. Raws li qhov tshwm sim ntawm no muaj pes tsawg leeg comets tau muab lub npe menyuam yaus ntawm "dawb snowballs."

Tsis tas li ntawd, dab tsi ua rau comets tshwj xeeb?

Comets yog cov dej khov hauv qhov chaw uas tso pa roj los yog hmoov av. Lawv feem ntau piv rau cov pob zeb qias neeg, txawm hais tias kev tshawb fawb tsis ntev los no tau coj qee cov kws tshawb fawb los hu lawv cov snowy dirtballs. Comets muaj hmoov av, dej khov, carbon dioxide, ammonia, methane thiab lwm yam.

Tsis tas li ntawd, dab tsi yog qhov tseem ceeb ntawm comets? Comets yog qhov tseem ceeb rau cov kws tshawb fawb vim tias lawv yog lub cev qub qub uas tau dhau los ntawm kev tsim cov hnub ci qhov system. Lawv yog cov thawj lub cev uas tsim nyob rau hauv lub hnub ci Nebula, qhov sib tsoo interstellar huab ntawm plua plav thiab roj tawm ntawm lub hnub thiab cov ntiaj chaw tsim.

Kuj tseem paub yog, vim li cas Halley's Comet nws txawv?

Halley lub Comet yog lub npe hu ua luv luv lub hnub qub vim nws yuav siv sij hawm tsawg dua 200 xyoo los orbit lub hnub. Cov lub hnub qub lub npe hu ua Edmond Halley vim nws yog tus neeg uas nrhiav tau nws lub sij hawm ntawm lub orbit. Thaum nws rov qab los rau xyoo 1986, Halley lub Comet tau kawm los ntawm kev siv lub dav hlau.

Vim li cas cov comets hu ua comets?

Comets yog qee zaum hu ua qias neeg snowballs los yog "icy mudballs". Lawv yog cov dej khov sib xyaw (ob qho tib si dej thiab cov roj khov khov) thiab cov plua plav uas vim qee qhov tsis tau koom nrog hauv cov ntiaj chaw thaum lub hnub ci tsim. Qhov no ua rau lawv nthuav heev raws li cov qauv ntawm keeb kwm thaum ntxov ntawm lub hnub ci system.

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