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The Scent of a Comet: Rotten Eggs and Pee


Comet 67P/C-G from Rosetta

Comet 67P/C-G as photographed by Rosetta.

Credit: European Space Agency

Eau de Comet isn't, we now know, the most seductive scent floating around in our galaxy. The Rosetta probe's Rosetta Orbiter Sensor for Ion and Neutral Analysis (ROSINA) has been using its two mass spectrometers to detect the "smell" of 67P/Churyumov-Gerasimenko.

From CNET
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