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Sputnik 1 is the first Earth Orbiter.
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Luna 1 lnched by Russia.
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First lunar impact. launced by Russia.
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First images of far side of Moon. lanched by Russia.
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Lanced by Russia.
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Vostok 1 lanched by Russia.
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Marina 2 lanched by United States.
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Zond 5 lnched by Russia.
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Apollo 8 lanched by United States.
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Apollo 11 lanced by United States.
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Venera 7 lnched by Russia.
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Mars 3 lanched by Russia.
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Pioneer 10 Lanched by United States.
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Marina 10 lnched by United States.
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Voyager 2 lanched by United States.