The Soviet Union in 1957, Sputnik
Sputnik I was launched by Soviet Union on October 4,1957. The world's first artificial satellite was about the size of the football. Answer The idea was first suggested in 1954 by Korolev, and development started in early 1956, so it took about a year and a half to build until launch in 1957.
Not much, apart from proving that humans could launch things into orbit and build things that worked there.
No, the Russian's Sputnik was unmanned.
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.
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.
$200,000,000 to $600,000,000 dollars
The Soviet Union in 1957, Sputnik
It was difficult to build
Mainly that humans could launch things into orbit, and to build them well enough to work up there.
Sputnik I was launched by Soviet Union on October 4,1957. The world's first artificial satellite was about the size of the football. Answer The idea was first suggested in 1954 by Korolev, and development started in early 1956, so it took about a year and a half to build until launch in 1957.
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.
Not much, apart from proving that humans could launch things into orbit and build things that worked there.
sputnik
No, the Russian's Sputnik was unmanned.
Lack of foreign aid makes it difficult to build stable governments in Africa.
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.