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Single Curio View: (Seek other curios for this number)The first U.S. space satellite (Explorer-I) weighed just less than 31 pounds and was launched on Jan 31, 1958. The high-power transmitter worked for 31 days. [McCranie]
Submitted: 2002-04-11 15:22:55; Last Modified: 2008-03-28 13:22:46.
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