File:Pioneer P-1 P-3 P-30 P-31.jpg

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DescriptionPioneer P-1 P-3 P-30 P-31.jpg	English: A Pioneer P-3 space probe which is nearly identical to P-1, P-30 and P-31.
Date	17 December 2012, 22:01:20
Source	http://space.skyrocket.de/doc_sdat/pioneer_p1.htm
Author	NASA

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