The Rosetta Mission and the Chemistry of Organic Species in Comet 67P/Churyumov–Gerasimenko

Grady, Monica M.; Wright, Ian P.; Engrand, Cécile and Siljeström, Sandra (2018). The Rosetta Mission and the Chemistry of Organic Species in Comet 67P/Churyumov–Gerasimenko. Elements, 14(2) pp. 95–100.

DOI: https://doi.org/10.2138/gselements.14.2.95

Abstract

Comets are regarded as probably the most primitive of solar system objects, preserving a record of the materials from which the solar system aggregated. Key amongst their components are organic compounds – molecules that may trace their heritage to the interstellar medium from which the protosolar nebula eventually emerged. The most recent cometary space mission, Rosetta, carried instruments designed to characterize, in unprecedented detail, the organic species in comet 67P/Churyumov–Gerasimenko (67P). Rosetta was the first mission to match orbits with a comet and follow its evolution over time, and also the first mission to land scientific instruments on a comet surface. Results from the mission revealed a greater variety of molecules than previously identified and indicated that 67P contained both primitive and processed organic entities.

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