Multiple choice Sputnik -I was launched by _____ Rocket. R- 7 Semyorke R- 8 Semyorka Saturn V SA-505 Zenit-2 Reveal answer Fill a bubble to check yourself A Correct answer Explanation Sputnik 1, the first artificial Earth satellite, was launched into orbit on October 4, 1957, using the R-7 Semyorka rocket.