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Sputnik 1
Space raceThe launch of Sputnik l was important because it
started the race and hurried America into seriously
making thier own satilite. -
Explorer l first satilite to complete orbit.
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the Vangaurd 1 satilite launchedand continued on for 3 years
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Sputnik 3 was launched
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Pioneer 1 launch
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Luna 1 is launched by the USSR.
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Pioneer 4 was launched towards the moon.
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Luna 2 is launched
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Tiros 1 is launched
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Yuri Gagarin becomes the first man to orbit the Earth once.