matthew spear
This user has no recent positive reputation changes
| Space Exploration | 692 rep | 4 silver badges12 bronze badges | |
| Area 51 | 151 rep | 2 bronze badges | |
| Mathematics | 99 rep |
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Votes cast (7)
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| 6 | up | 3 | question | ||
| 1 | down | 4 | answer | ||
