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History 15,758 rep 11 gold badges55 silver badges125 bronze badges
Aviation 15,265 rep 7 gold badges69 silver badges168 bronze badges
Space Exploration 3,962 rep 19 silver badges45 bronze badges
Earth Science 1,941 rep 3 gold badges12 silver badges22 bronze badges
Astronomy 1,590 rep 7 silver badges20 bronze badges

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