SCORE (Signal Corps Orbiting Relay Experiment)
An American satellite, nicknamed "Chatterbox," that relayed the first voice
communications from space. Its payload included an audio tape machine that
broadcast messages, including a 58-word prerecorded Christmas message from
President Eisenhower, 13 days.
||Dec. 18, 1958
||185 × 1,484 km × 32.3°
AND SPACE PROBES