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Explorer 1 satellite 1958.
The satellite remained aloft for more than a decade before re entering earth s atmosphere on march 31 1970.
Army launched the explorer 1 satellite.
Explorer 1 s last transmission was received may 23 1958 although it remained in orbit until march 31 1970.
Four follow up satellites of the explorer series were launched by the juno 1 rocket in 1958 of these explorer 3 and 4 were successful while explorers 2 and 5 failed to reach orbit.
Explorer 1 became the first successfully launched satellite by the united states when it was sent to space on january 31 1958.
Explorer 1 nasa.
The final flight of the juno 1 booster the satellite beacon 1 also failed.
31 1958 at 10 48 p m.
On the occasion of explorer 1 s fiery reentry into earth s atmosphere university of iowa physicist james van allen who had designed the science instruments on board said of the pioneering satellite.
A quick response to the soviet union s launch of sputnik 1 explorer 1 s success marked the beginning of the u s.
Est from cape canaveral florida after two days of launch delays due to high winds.
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With the launch of sputnik 1 and 2 the previous concern the right of satellite overflight had become moot.
The first united states satellite and space launch vehicle.
Those satellites were launched by an early version of the soviet r 7 rocket the basis of the ussr s early icbms and definitely military as well as roughly 40 times.
The jupiter c launch rocket was built at the army ballistic missile agency in huntsville alabama under the direction of wernher von braun.
On january 31 1958 the u s.
It inspired an entire generation of young men and women in the united.
It was launched jan.
Explorer 1 was the first of the long running explorer program.
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