named its first series of satellites "
." The word means "companion" (or "satellite").
became the earth's first artificial satellite when it was launched on October 4, 1957.
National Aeronautics and Space Administration
Sputnik 1 Becomes First Artificial Satellite (October 4, 1957) - On October 4, 1957, the Soviet Union successfully placed the world's first artificial satellite into orbit around Earth.
Odd'l Rockets Sputnik
Copyright © 2019 - Jadebox