Nola

Sputnik is a spacecraft, actually the first artificial satelite ever. It was invented in 1957 by NASA. Sputnik was used to map the whole entire earth. It was the size of a beachball.

http://solarsystem.nasa.gov/search/index.cfm http://history.nasa.gov/sputnik/ http://encarta.msn.com/Sputnik.html