donmigel_62: (кот - учёный)
donmigel_62 ([personal profile] donmigel_62) wrote2013-11-10 12:42 pm
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От атома до Вселенной. Сравнение размеров.

И взрослым и детям. От атома до Вселенной. Сравнение размеров. Вставилось некорректно, для просмотра нажмите на ссылку Universe.


Copyright 2012.  Magnifying the Universe by Number Sleuth.
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