It means it was the first sputnik.
Sputnik 1 was a Russian satellite.
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
Doesn't work like that, a satellite can't orbit one country. It can stay in geostationary orbit over some, but that's it. Sputnik 1 orbited the whole Earth.
No, Sputnik 1 and Sputnik 2 were not launched from the same place. Sputnik 1 was launched from Baikonur Cosmodrome in Kazakhstan, while Sputnik 2 was launched from the same location.
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.