It means it was the first sputnik.
Sputnik 1 was a Russian satellite.
Sputnik 1 came first. It was the first artificial Earth satellite launched by the Soviet Union on October 4, 1957, marking the beginning of the space age.
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