History of Earth.
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Planetarium in Katowice.
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Vostok 1.
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Juri Gagarin visits Poland.
Kopernikus Monument.
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Astronomer Nikolaj Kopernikus (1473 - 1543).
Kopernikus Monument.
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Satellite Hevelius.
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Aurora Borealis.
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Astronomer.
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Johannes Hevelius (1611 - 1687).
International geophysical year.
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Vostok 3 & 4.
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Non official.