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Space Exploration 15,078 rep 1 gold badge45 silver badges91 bronze badges
Science Fiction & Fantasy 7,035 rep 1 gold badge17 silver badges49 bronze badges
Physics 3,441 rep 1 gold badge14 silver badges22 bronze badges
Aviation 2,760 rep 1 gold badge13 silver badges20 bronze badges
Home Improvement 1,151 rep 6 silver badges12 bronze badges

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