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Rosetta Sniffs Oxygen Around Comet 67p


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Comet 67P/Churyumov-Gerasimenko

The Rosetta spacecraft has tracked comet 67P/Churyumov-Gerasimenko since May 2014.

Credit: ESA/Rosetta/NavCam

Scientists have detected molecules of oxygen in the hazy halo of comet 67P/Churyumov–Gerasimenko—an unexpected discovery that may challenge theories about the formation of the Solar System.

From Nature
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