Astronomy & Astronautics | Astronomy Articles | Astronautics Articles | Astronauts eMagazine | Aerospace Journals

Sputnik

The Soviet Union lauched the first artificial satellite "Sputnik" to space. It transmitted radio signals to earth sttrong enough to be picked up by amateur radio operators. It's orbit degenerated and it burned up in the atmosphere in January 1958. (history.com)