R-7 rocket under construction. The photos show the historic launch of Sputnik 1 on October 4, 1957, which ushered in the era of spaceflight.

R-7 rocket on the launch pad: The Soviet R-7 intercontinental ballistic missile, originally developed for military purposes, was converted as a launch vehicle for the first artificial Earth satellite.

Rocket launch: The images capture the moment of launch — a spectacular sight of fire and smoke as the R-7 blasts off from the Baikonur Cosmodrome into space.

Sputnik 1 in orbit: The spherical satellite model with four long antennas circles the Earth. Sputnik transmits radio signals that can be received worldwide.

The Sputnik launch marked the beginning of the Space Age and triggered Sputnik shock in the West. The USA was caught off guard by the Soviet Union’s technological superiority, further intensifying the space race between the superpowers.