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Space Exploration 15,148 rep 5 gold badges57 silver badges123 bronze badges
Retrocomputing 3,466 rep 4 gold badges17 silver badges46 bronze badges
Science Fiction & Fantasy 1,360 rep 1 gold badge6 silver badges25 bronze badges
Worldbuilding 1,308 rep 1 gold badge5 silver badges20 bronze badges
Physics 487 rep 1 gold badge3 silver badges11 bronze badges

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