Yes
It carried a live animal to an unknown fate.
The Apollo mission continued from the 1960s until the 1990s
Sputnik 1 is long gone. It burnt up on re-entry a few months after launch.
3 months
Yes
The Explorer 1 was launched on January 31,1958 one year after the Sputnik 1,and Sputnik 11
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.
Mainly to see if things could be launched into space and work there
It carried a live animal to an unknown fate.
The Apollo mission continued from the 1960s until the 1990s
10 years i think
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.
There was no Apollo 4.
Sputnik 1 is long gone. It burnt up on re-entry a few months after launch.
The third one is when u give sputnik his jetpack
It was launched into an elliptical low earth orbit.