1957
The USSR built the Sputnik.
The USSR built the Sputnik.
Russia, I believe
the 2 in Sputnik 2 means it is the second to be built.
1955-1957
1957
Sputnik 1 was launched on the 4th of October 1957.
Sputnik was a series of satellites built and launched by the then Soviet union. Sputnik 1 and 2 became the first two man made objects to attain orbit around the Earth.
Sputnik was put into orbit on October 4, 1957.
1957, the International Geophysical Year.
It didn't.First off, sputnik was a "family name" for a series of satellites, but none that was built for re-entry. They burnt up in the atmosphere as their orbits got lower.
It didn'tFirst off, sputnik was a "family name" for a series of satellites, but none that was built for re-entry. They burnt up in the atmosphere as their orbits got lower.