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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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20-May-2017 Saturday
Photomicrographs taken in color with a black and white CCD camera

Photomicrographs taken in color with a black and white CCD camera - My, Microfilming, Rgb, Filters, The science, , Longpost, Microfilming

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