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The science, Палеонология
28-May-2020 Thursday
The Tunguska explosion could have been caused by an asteroid that is still orbiting the Sun
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Space explorers
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The Tunguska explosion could have been caused by an asteroid that is still orbiting the Sun
Astronomy
Meteorite
The science
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Tunguska meteorite
25-June-2017 Sunday
Three lectures on the oldest traces of life on Earth.
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