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Cave Johnson, 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
12-May-2013 Sunday
If life gives you lemons, don't make lemonade.
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Cave Johnson
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