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11 минут, The science
28-May-2020 Thursday
The Tunguska explosion could have been caused by an asteroid that is still orbiting the Sun
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The Tunguska explosion could have been caused by an asteroid that is still orbiting the Sun
Astronomy
Meteorite
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Nauchpop
Tunguska meteorite
13-March-2015 Friday
femtophotography
HuKakou
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Фемтофотография
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