Weird dark comet - Rosetta
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A spacecraft chasing a comet in deep space has found that its target is surprisingly dark in color.
Instead of arriving at a bright, reflective, ice-covered heavenly body, the European Space Agency's Rosetta probe found that its target comet, 67P/Churyumov-Gerasimenko (or 67P/C-G), appears darker than charcoal in some wavelengths of light,
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