No one. It was the first Earth satellite and sent in space by the the Russians (USSR).
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.
Sputnik 1 and Sputnik 2 were artificial satellites that traveled around the Earth. People thought that Sputnik 1 was spying on them, but all it did was transmit a simple tracking signal for 3 weeks.
Yes, Sputnik 1 orbited the Earth over 1000 times
why was the launch of Sputnik 1 in 1957 so significant?
Sputnik was 23 inches in diameter and was about the size of a basketball.
It means it was the first sputnik.
Sputnik 1 was a Russian satellite.
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.
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.
Sputnik 1 Sputnik 1
the name of the first satellite is Sputnik
Sputnik 1 and Sputnik 2 were artificial satellites that traveled around the Earth. People thought that Sputnik 1 was spying on them, but all it did was transmit a simple tracking signal for 3 weeks.
The only known contents of Sputnik 1 are Electronics and some batteries.
Only things the sputnik 1 is known to have contained are Electronics and batteries.
Yes, Sputnik 1 orbited the Earth over 1000 times
Sputnik-2
SputnikSo they knew where sputnik was.