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USSR Sputnik the first satellite
Sputnik was launched on the 4th of October 1957 it was the first artificial satellite for earth it was made by the Soviet Union -
The First Animal in Space to Orbit earth for the USSR
The first Animal in space to orbit Earth was a dog named Laika which went aboard the sputnik 2 on November 3, 1957. Sadly Laika wasn't able to come back to earth -
Explorer The First Satellite For the U.S.
Launched in 1958, January 31, it was supposed to be sent up as soon as possible since the Soviet Union already had sent up the sputnik so they were playing catch up. It was a success