Cov yam ntxwv ntawm a meteorite
- Ib tug nyias dub fusion crust;
- Lub ntsej muag tiaj tus;
- Blunt ntug;
- Feem ntau cov nplej ntawm cov hlau lav rau xeb ntawm kev sib cuag nrog huab cua ntub;
- Zoo li hnyav.
Ntxiv mus, yuav ua li cas txheeb xyuas lub meteorite? Koj xav tias koj nrhiav tau ib meteorite ? Kom koj lub pob zeb ntsuas los ntawm National Museum of Natural History. Lub Tsev khaws puav pheej muab qhov tseem ceeb tshaj plaws rau kev txhawb nqa ntawm Fabkis cov cuab yeej cuab tam meteoritic, thiab, yog li ntawd, nws qiv nws tus kheej mus rau kev txawj ntse ntawm meteorites muaj peev xwm nrhiav tau los ntawm tib neeg.
Kuv yuav muag ib lub meteorite qhov twg? Nrhiav meteorite kev muag khoom los ntawm kev xaiv zoo ntawm eBay. Yog koj xav tau muag khoom une Meteorite yog koj, koj tsuas yog xa email rau peb (info@meteorite.fr) los ntawm tsis nco qab hais tias: Lub npe tiag tiag ntawm Meteorite (ex: Canyon Diablo).
Leej twg yuav meteorites? Labenne Meteorites yog lub tuam txhab Fabkis tshwj xeeb hauv kev tshawb fawb thiab muag ntawm meteorites los ntawm cov tsev kawm ntawv thiab cov neeg sau khoom ntiag tug.
Tam sim no, tus nqi ntawm lub meteorite yog dab tsi?
Niaj hnub no, koj tuaj yeem nrhiav cov khoom tiag tiag meteorite lunar, tiag daim ntawm lub hli yog li ntawd, rau nqi ib gram ntawm € 200 rau € 300 ib gram. Tsuas yog ob peb tug xwb meteorites tshwj xeeb heev moonstones, zoo li lub hli tsis tshua muaj basalts, tseem tuaj yeem flirt nrog 1000 € ib gram.
Dab tsi yog hom meteorites sib txawv?
hav zoov meteorites yog pab pawg ua ob différents pawg, raws li qhov xwm ntawm lub cev xilethi-aus uas lawv sont teeb meem: cov meteorites primitives (tseem hu ua meteorites undifferentiated) thiab meteorites txawv.
Dab tsi yog qhov txawv ntawm lub meteor thiab lub meteorite? Lub cev loj, hu ua meteoroids, tsim meteors spectacular (fireballs). Muaj qee zaus, ib feem ntawm cov khoom ncav cuag lub ntiaj teb saum npoo yam tsis raug rhuav tshem; ces peb hu nws meteorite.
Nrhiav qhov chaw meteorites hauv Fabkis? Daim ntawv teev cov dej tsaws tsag hauv Fabkis
Teev | department | Hnub |
---|---|---|
Clohars-Fouesnant | Finistere | 1822 |
Cormeilles | Val-d'Oise | 2006 |
Ntsej muag | Essone | Lub Xya hli ntuj 13 2011 |
Ensisheim | Upper Rhine | 1492 |
Qhov hnyav ntawm lub meteorite yog dab tsi?
- hnyav / sensations ntawm ntom: Siderites sont qhov ntom ntawm meteorites : los ntawm 7 mus rau 8 g / cm3 (los ntawm kev sib piv, cov pob zeb hauv av muaj qhov ceev ntawm 2,7 txog 3 g / cm3). Piv rau lawv ntim, lawv yuav yog li ntawd hnyav heev.
Peb tsev neeg tseem ceeb ntawm meteorites yog dab tsi? Yuav paub li cas a Meteorite
- 1) Chondrites.
- 2) Achondrites.
- 3) Cov meteorites ferrous (zeeg)
Dab tsi yog qhov txawv ntawm lub hnub qub, meteorite thiab comet?
hav zoov asteroids yog me dua lub ntiaj teb, tab sis lawv sont loj dua lub meteorites qhov loj ntawm pebble. Qhov ntau thiab tsawg ntawm 1 meter mus txog 1000 km. Lawv kuj hu ua me ntiaj chaw.
Qhov hnyav ntawm lub meteorite yog dab tsi? EXTRAORDINARY - Astronomy enthusiasts tau hloov kho nyob rau hauv Aube ib qho ntawm feem tseem ceeb lub caij nplooj zeeg qhov chaw ntawm meteorites metallic, nrog tag nrho cov masse ntawm yuav luag 7 tons rho tawm hauv av. Ib feem ntawm 477 kilos, qhov loj tshaj plaws puas tau pom nyob rau hauv Fabkis, tau pom tshwj xeeb hauv cheeb tsam.
Leej twg deals nrog meteorites?
Meteorologists thiab neeg yos hav zoov meteorites distinguishes lub "ntoo", meteorites uas peb pom poob rau lub ntiaj teb thiab tias peb pom sai tom qab lawv tsaws, "nrhiav", meteorites nrhiav tau los ntawm lub caij nyoog tsis muaj que lawv lub caij nplooj zeeg tau pom.
Dab tsi yog qhov muaj pes tsawg leeg ntawm lub meteorite?
Muaj pes tsawg leeg. les meteorites ntawm hlau sont ua los ntawm cov hlau uas muaj li ntawm 90% hlau thiab 10% lwm yam tshuaj xws li npib tsib xee, iridium, chromium thiab gallium. Qhov no alloy yog feem ntau hu ua meteoric (los yog meteoritic) hlau, los yog tsuas yog hlau-nickel.
Dab tsi yog qhov txawv ntawm lub comet thiab asteroid? Cov asteroids yog, feem coob ntawm cov uas yog geologically tuag lub cev muaj li ntawm pob zeb, hlau thiab dej khov. Cov comets yog muaj ib tug tseem ceeb ntawm cov dej khov thiab pob zeb uas entre nyob rau hauv kev ua si los ntawm sublimation (hloov los ntawm cov khoom nyob rau hauv lub xeev gaseous) ntawm cov dej khov thaum lawv mus txog lub hnub.
Dab tsi yog qhov txawv ntawm lub meteorite thiab lub hnub qub tua? A shooting hnub qub, vs 'yog ib feem ntawm comet. Thaum peb pom nws, los ntawm lub sijhawm koj ceeb toom tus neeg nyob ze koj, nws yogyog xa xa! VS 'yog ib kab dawb uas thaiv lub ntuj thiab kav tsuas yog ib feem ntawm ib ob. A meteorite yog ib qho asteroid fragment.
Lub dinosaur meteorite poob qhov twg?
66 lab xyoo dhau los, a meteorite txog kaum kilometers tsoo nyob rau hauv dab tsi tam sim no lub Yucatan ceg av qab teb, nyob rau sab qab tebyog ntawm Mexico, tsim ib tug complex crater 180 km dav.
Yuav ua li cas yog ib tug crater tsim los ntawm ib tug meteorite hu ua? tus qhov hluav taws kub Manicouagan yog ib qho piv txwv zoo tshaj ntawm qhov hluav taws kub cuam tshuam hauv ntiaj teb. Qhov kev cuam tshuam no yuav tshwm sim los ntawm ib meteorite 8 km ntawm txoj kab uas hla, 214 lab xyoo dhau los, thaum kawg ntawm Triassic era.
Yuav ntsuas qhov ceev ntawm lub meteorite li cas?
Ib txoj hauv kev zoo dua rau kev ntsuas qhov qhov ntom ntom de la meteorite yog siv Archimedes 'thrust: "Txhua lub cev rau hauv cov kua tau txais ib txoj kab ntsug ncaj qha los ntawm hauv qab mus rau sab saum toj, sib npaug ntawm qhov ntim ntawm cov kua hloov chaw".
Dab tsi yog 3 cov tshuaj lom neeg ntau tshaj plaws hauv chondrite hom meteorite? Cov chondrites yog cais raws li lawv cov mineralogical muaj pes tsawg leeg. Chondrites zoo tib yam: 80% ntawm chondrites ; lawv muaj olivine, bronzite, plagioclase (saib Table 1) thiab lwm yam minerals uas muaj hlau. Lawv muab faib ua ob pawg, H thiab L.
Dab tsi yog qhov muaj pes tsawg leeg ntawm meteorites?
Nrog rau kev zam ntawm feem ntau oxidized achondrites thiab chondrites, lub meteorites yog Cov hlau nplaum, muaj cov hlau ua los ntawm ob lub alloys ntawm hlau thiab npib tsib xee: kamacite (5 txog 10% npib tsib xee) thiab taenite (ntau tshaj 15%).
Dab tsi yog qhov txawv ntawm comet thiab asteroid? Hauv cov ntsiab lus, qhov sib txawv feem ntau nyob rau hauv lawv muaj pes tsawg leeg thiab ceev. Feem ntau yog ua los ntawm cov khoom tsis haum, comets tso saib ib qho kev ua si uas txawv lawv los ntawm asteroids. Txawm li cas los xij, cometary nuclei uas tau tso tseg lawv cov dej khov tuaj yeem ua tau asteroids hauv kev tsis sib haum xeeb.
Qhov txawv ntawm lub comet yog dab tsi?
hav zoov comets yog thiab lub cev los ntawm lub hnub ci system. Tab sis ntawm txawv ntawm lub meteorite thiab asteroid, lub comets muaj lub hauv paus, ua los ntawm cov dej khov thiab hmoov av. Thaum nws mus txog lub hnub, ib qho chaw nyias nyias nyob ib puag ncig lub hnub qub, cov plaub hau. Tom qab ntawd nws tuaj yeem pom los ntawm Lub Ntiaj Teb.
Yuav ua li cas paub txog lub comet? Cov lub hnub qub, lub hnub qub ntawm dej khov thiab hmoov av
Qhov tshwm sim luminous halo hu ua "cov plaub hau" lossis "coma". Nws yog tag nrho cov tub ntxhais thiab cov plaub hau uas yog lub taub hau ntawm ib tug lub hnub qub. Lub taub hau no yog ua raws li ob tus Tsov tus tw, uas tawm tsam lub hnub thiab tuaj yeem ncav cuag 100 lab kilometers!