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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 - My, Nauchpop, Nauchpop, The science, The science, Astronomy, Astronomy, Longpost, Longpost, Tunguska meteorite, Tunguska meteorite, Meteorite, Meteorite

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21-May-2016 Saturday
Where and how is the most expensive metal in the world made?

Алексей Мараховец Дорогое производство Interesting Калифорний-252 The science Production Russia

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