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kā starp iežiem atpazīt meteorus?
25, 2006, 9:49dace
:-:

    Labdien!
    Piemēram visizplatītākā m e t e o r ī t u grupa ir dzelzs M., kuriem loģiski piemīt magnētisms. Kopumā cerības Latvijā kaut ko tādu atrast ir niecīgas.
    7, 2009, 12:06Aigars

    „Uz Zemes nokritušos meteorītus (94% gadījumu sastāvošus no silikātiežiem) ir ļoti grūti identificēt un atšķirt no parastiem Zemes izcelsmes akmeņiem. Metāla meteorītus identificēt ir vieglāk, bet tie ir sastopami ievērojami retāk (6% gadījumu). Tādēl galvenā meteorītu „ieguves” vieta uz Zemes ir biezie Antarktīdas ledāji, uz kuru virsmas atrastie silikātiežu un metāla fragmenti var būt tikai kosmiskas izcelsmes (nevis Zemes ieži, kas neizprotamā veidā izspiedušies no apakšas cauri simtiem metru biezam ledājam!)”
    Juris Žagars, Ilgonis Vilks «Astronomija augstskolā», LU Akadēmiskais apgāds, 2005.
    8, 2009, 13:30Zirneklītis
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