Explorer
From Trekipedia
Explorer 1, measuring 203.2cm long and massing 14kg, was launched on 31 January 1958, marking the United States of America's entry into the space race.[1]
FASA Timeline
Explorer 1, measuring 203.2cm long and massing 14kg, was launched on 31 January 1958, marking the United States of America's entry into the space race.[1]
References
- ↑ 1.0 1.1 Goldstein, Stan and Goldstein, Fred with Sternbach, Rick. Star Trek: Spaceflight Chronology. Pocket Books, 1980.