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Интеллектуальная Система Тематического Исследования НАукометрических данных |
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The talk considers the processes of molecule and dust grain migration in space: interstellar wind as a source of interstellar dust on the Earth surface, dust grain transport inside and between planetary (protoplanetary) systems, and possibilities of intergalactic migration of molecules and dust grains. It is shown that dust grains and molecules can not move, in cosmological time, farther than to 100 mln light year, which puts a limit to possible panspermia scope.