Sputnik 1 made about 15 orbits per day
It means it was the first sputnik.
Sputnik 1 was a Russian satellite.
Sputnik 1 Sputnik 1
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.
the name of the first satellite is Sputnik
Yes, both were launched from the Baikonur Cosmodrome.
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.