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Two-faced? Rosetta's target comet may have a split personality
Two-faced? Rosetta's target comet may have a split personality

The comet-chasing Rosetta spacecraft may have a surprise waiting when it narrows in on its target: It’s a twofer! Comet 67P/Churyumov-Gerasimenko, sporting a hyphenated name, could also have a hyphenated body. Grainy images snapped by the European Space Agency spacecraft show that the comet seems to be made of two parts, a larger chunk and a smaller one. “It’s not just a reasonably round potato,” said Rosetta project scientist Matt Taylor, describing the typical cometary profile. “It’s this very interesting shape.” Keep in mind that the images are too small to be certain, Taylor said — Rosetta was around 12,000 kilometers away...

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