An anonymous reader writes If you like the smell of rotten eggs, horse urine, formaldehyde, bitter almonds, alcohol, vinegar with a hint of sweet ether, you'd love the smell of a comet. Researchers at the University of Bern, in Switzerland, determined the odor of 67P/Churyumov-Gerasimenko comet by analyzing the chemicals in its coma, the fuzzy head surrounding the nucleus. The molecules were collected by an instrument aboard the Rosetta spacecraft, which has been flying in tandem with the comet.
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