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199819
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feb 28, 1959 - Første satellit i polar kredsløb
Description:
Discoverer 4-USAF/ARPA
Added to timeline:
Rumkapløbet 1957-1960
By
Josephine Boyer
18 Dec 2018
0
0
879
Date:
feb 28, 1959
Now
~ 67 years ago
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