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Spudnick 1 Is the first artificial satellite to be shot up in space.
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Sputnik 2 is the second spacecraft lanched into eaths orbit and it was also the first biological spacecraft.
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In Explorer 1 it carried scientific equipment and thats what lead to discovery to Van Allen's radiation belt.
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Vanguard 1 is lanched into space and has orbited for three years.
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Pioneer 1 is lanched into space and it reaches a height of 70,700 miles.
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Luna 1 is the first man made rocket to be launched up into space.
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The mercury seven astronauts are selected by NASA.
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It impacted the moon on september 13 this is the first man made rocket to do so.
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Luna 3 orbited the moon and got photographs of 70% of it's surface.
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Tiros 1 is the first weather satellite to be successful.