Seminary na 17 dekabrya 2009
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Seminar instituta kosmicheskih issledovanii S.I.Ipatov (Katolicheskii Universitet Ameriki, Vashington, SShA). Vybros veshestva s komety pri ee stolknovenii s men'shim telom, veroyatnosti stolknovenii migriruyushih malyh tel i pyli s planetami, formirovanie dvoinyh malyh tel. |
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Sovmestno s 