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sputnik launched by ussr
1st artifitcial satellite put in space by the ussr.The U.S. feard the ussr had the tech to deliver a nuckler weapon viather-7 rocket. space exploration timeline packet -
sputnik 2 is launched with laika in it.
laika is the first living thing in space. the dog laika was sent in to outer space by the ussr. -
First U.S. satellite
1st U.S. discovers. Van allen belt during the space race. space packet -
explorer 2 failed to reach orbit.
2nd U.S. satelite to go to space failed. it crashed and broke and it was lost. -
vangar 1 is launched and worked for 3 years
3th satellite from the U.S.. it worked for at least 3 years. -
sputnik 3 is launched
3th satellite sent by the USSR. might have a bomb in it. -
the NASA has just been formed
people who keep a eye on the satellites. so thay now were they are. -
pionere 1 is launched
pionere 1 went to a hight of 70,700 miles. it was the 4th satellite U.S. sent. -
lunna 1 is launched by the USSR
1st human made object to go around the sun. 4th satellite made by the USSR. -
pioneer 4 is lauched on a eaqrth-moon trip
it passed withen 37,000 miles of the moon before falling into space