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what I learned today - US put the 1st man made item in space
Posted on: March 6, 2025 at 17:58:17 CT
tigerinhogtown STL
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Operation Plumbbob (a nuke test in 1957) launched a manhole cover into space at 150,000 mph.
Edited by tigerinhogtown at 17:59:35 on 03/06/25
Edited by tigerinhogtown at 17:59:35 on 03/06/25
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what I learned today - US put the 1st man made item in space - tigerinhogtown STL - 3/6 17:58:17