Solar wind
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Luna 1
Moon
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January 4
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January 2
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Luna programme
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Sergei Korolev
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Trans-lunar injection
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Space Race
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Luna 4
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Luna 2
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Pioneer 4
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Timeline of Solar System exploration
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Timeline of artificial satellites and space probes
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Mariner 1
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Mariner 2
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1959
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Lunik I
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