Cov txheej txheem:

Cov meteorites cais li cas?
Cov meteorites cais li cas?

Video: Cov meteorites cais li cas?

Video: Cov meteorites cais li cas?
Video: В Екатеринбурге упала летающая тарелка 2024, Kaum ib hlis
Anonim

Ib txwm kev faib tawm tswv yim

Meteorites feem ntau muab faib ua peb pawg raws li seb lawv puas muaj cov khoom siv pob zeb (stony meteorites ), cov khoom siv hlau (hlau meteorites ), los yog sib tov (stony-hlau meteorites )

Raws li, 3 hom meteorite yog dab tsi?

Muaj peb hom meteorites tseem ceeb:

  • hlau meteorites: uas yuav luag tag ua los ntawm hlau.
  • pob zeb-hlau meteorites: uas muaj ze li qhov sib npaug ntawm cov hlau thiab silicate crystals.
  • pob zeb meteorites: uas feem ntau muaj cov ntxhia silicate.

Ib yam li ntawd, cov meteorites muaj li cas? 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.

Ib yam li ntawd, hom meteorite yog qhov tsawg tshaj plaws?

Pallasite yog qhov tsis tshua muaj hom meteorite . Lub Koom Haum Meteoritical lub meteor database qhia tsuas yog 99 cov ntaub ntawv ntawm pallasites pom hauv ntiaj teb, raws li Lauretta (rau kev sib piv, feem ntau hom meteorite , lub chondrite, muaj 43, 750 cov ntaub ntawv).

Dab tsi yog hom meteorite tshaj plaws los poob rau hauv ntiaj teb?

Stony meteorites

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