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USSR launches sputnik 1
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Explorer 1 the first american satellite to reach orbit was launched
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NASA was formed
This helped Space Exploration because they had a safer way of transporting them into orbit -
US launches discover XIV Its first camera spy satellite
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John Glenn orbits the earth three times
this was important to space exploration because they launched a human into orbit the moon three times, They could start sending more people -
Lunar Orbiter 1 enters orbit around the moon and takes earth pictures