Cov txheej txheem:
Video: Cov meteorites cais li cas?
2024 Tus sau: Miles Stephen | [email protected]. Kawg hloov kho: 2023-12-15 23:36
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
Pom zoo:
Plaub txoj kev cais cov kua los ntawm cov khoom yog dab tsi?
Hauv qab no yog qee txoj kev sib cais: Ntawv Chromatography. Txoj kev no feem ntau siv hauv kev lag luam khoom noj. Lim. Qhov no yog ib txoj kev ntau dua ntawm kev sib cais cov khoom insoluble los ntawm cov kua. Evaporation. Yooj yim distillation. Fractional distillation
Koj txhais li cas los ntawm kev sib cais cais tawm?
Txhais kev sib cais ntawm kev yug me nyuam .: qhov tsis muaj peev xwm ntawm ib hom kev yug me nyuam zoo nrog rau cov hom tsiaj vim thaj chaw, kev coj cwj pwm, lub cev nqaij daim tawv, lossis caj ces teeb meem lossis qhov sib txawv
Txoj kev faib cov ntaub ntawv twg muab cov ntaub ntawv sib npaug ntawm cov ntaub ntawv lossis cov kev tshuaj xyuas hauv txhua chav kawm cov ntaub ntawv?
Quantile. txhua chav kawm muaj cov yam ntxwv sib npaug. Ib qho kev faib tawm ntau yog zoo haum rau cov ntaub ntawv faib tawm. Quantile muab tib tus lej ntawm cov ntaub ntawv muaj nuj nqis rau txhua chav kawm
Cov kws kos duab hu li cas cov duab thiab cov duab siv los sawv cev rau cov yam ntxwv ntawm lub ntiaj teb nto?
Ntiaj Teb Kev Tshawb Fawb - Daim Ntawv Qhia Lub Ntiaj Teb Qhov Nto A B GLOBE Ib puag ncig uas sawv cev rau lub ntiaj teb nto. SCALE Siv los sib piv qhov deb ntawm daim ntawv qhia lossis lub ntiaj teb mus deb ntawm lub ntiaj teb nto. SYMBOLS Ntawm daim duab qhia chaw, cov duab siv los ntawm mapmakers sawv ntsug rau cov yam ntxwv ntawm lub ntiaj teb nto. TSEEM CEEB Ib daim ntawv teev cov cim siv rau ntawm daim ntawv qhia
Meteorites tsim li cas?
Thaum meteors raug mob los ntawm txheej huab cua puag ncig lub ntiaj teb, kev sib txhuam los ntawm cov roj molecules uas ua rau peb ntiaj chaw huab cua sov rau lawv, thiab lub hnub qub saum npoo pib sov thiab ci. Thaum kawg, cov cua kub thiab kev kub ceev ua ke ua rau vaporize lub meteor feem ntau siab saum lub ntiaj teb nto