The Explorer 1 was launched on January 31,1958 one year after the Sputnik 1,and Sputnik 11
Sputnik 1 was launched on the 4th of October, 1957. The booster used by it had been used in August of that year to launch a long range missile.
Because the Sputnik program ended with Sputnik 3. Albeit there was a Sputnik 40 and 41 but these were to commemorate the 40th anniversary of Sputnik 1.
The USSR launched Sputnik on October 4th, 1957 and Explorer 1 was launched on January 31st, 1958--so the answer is 119 days.
1955-1957
Sputnik 1 is long gone. It burnt up on re-entry a few months after launch.
Yes
The Explorer 1 was launched on January 31,1958 one year after the Sputnik 1,and Sputnik 11
3 months
NASA did not build Sputnik. Sputnik was a Russian satellite, not an American one.The Soviets have not released any information about how long it took to design and build the satellite.
It was launched into an elliptical low earth orbit.
Sputnik 1 was launched on the 4th of October, 1957. The booster used by it had been used in August of that year to launch a long range missile.
It means it was the first sputnik.
Sputnik's mission was to be the first launch of the first manmade object to enter Earth's orbit. It is believed the Russians wanted to get something into space before the United States. This led to the creation of NASA.
Sputnik 1 was a Russian satellite.
Sputnik I orbited Earth for about 3 months before decaying into Earth's atmosphere and burning up. Sputnik I burned up over 50 years ago.
Sputnik was the "family name" for a series of satellites, so there never was a satellite named only Sputnik. They all had numbers with Sputnik 1 being the first.