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  • Fray, NicolasCNRS, France; Paris Diderot University, France (author)

High-molecular-weight organic matter in the particles of comet 67P/Churyumov–Gerasimenko

  • Article/chapterEnglish2016

Publisher, publication year, extent ...

  • 2016-09-07
  • Nature Publishing Group,2016
  • printrdacarrier

Numbers

  • LIBRIS-ID:oai:DiVA.org:ri-13620
  • https://urn.kb.se/resolve?urn=urn:nbn:se:ri:diva-13620URI
  • https://doi.org/10.1038/nature19320DOI

Supplementary language notes

  • Language:English
  • Summary in:English

Part of subdatabase

Classification

  • Subject category:ref swepub-contenttype
  • Subject category:art swepub-publicationtype

Notes

  • The presence of solid carbonaceous matter in cometary dust was established by the detection of elements such as carbon, hydrogen, oxygen and nitrogen in particles from comet 1P/Halley1, 2. Such matter is generally thought to have originated in the interstellar medium3, but it might have formed in the solar nebula—the cloud of gas and dust that was left over after the Sun formed4. This solid carbonaceous material cannot be observed from Earth, so it has eluded unambiguous characterization5. Many gaseous organic molecules, however, have been observed6, 7, 8, 9; they come mostly from the sublimation of ices at the surface or in the subsurface of cometary nuclei8. These ices could have been formed from material inherited from the interstellar medium that suffered little processing in the solar nebula10. Here we report the in situ detection of solid organic matter in the dust particles emitted by comet 67P/Churyumov–Gerasimenko; the carbon in this organic material is bound in very large macromolecular compounds, analogous to the insoluble organic matter found in the carbonaceous chondrite meteorites11, 12. The organic matter in meteorites might have formed in the interstellar medium and/or the solar nebula, but was almost certainly modified in the meteorites’ parent bodies11. We conclude that the observed cometary carbonaceous solid matter could have the same origin as the meteoritic insoluble organic matter, but suffered less modification before and/or after being incorporated into the comet.

Subject headings and genre

Added entries (persons, corporate bodies, meetings, titles ...)

  • Bardyn, AnaïsCNRS, France; Paris Diderot University, France; University of Orléans, France (author)
  • Cottin, HervéCNRS, France; Paris Diderot University, France (author)
  • Altwegg, KathrinUniversity of Bern, Switzerland (author)
  • Baklouti, DoniaCNRS, France; University of Paris-Sud, France (author)
  • Briois, ChristelleCNRS, France; University of Orléans, France (author)
  • Colangeli, LuigiESTEC European Space Research and Technology Centre, The Netherlands (author)
  • Engrand, CécileCNRS, France; University of Paris-Saclay, France; University of Paris-Sud, France (author)
  • Fischer, HenningMax Planck Institute for Solar System Research, Germany (author)
  • Glasmachers, AlbrechtUniversity of Wuppertal, Germany (author)
  • Grün, EberhardMax Planck Institute for Nuclear Physics, Germany (author)
  • Haerendel, GerhardMax Planck Institute for Extraterrestrial Physics, Germany (author)
  • Henkel, HartmutVon Hoerner und Sulger GmbH, Germany (author)
  • Höfner, HerwigMax Planck Institute for Extraterrestrial Physics, Germany (author)
  • Hornung, KlausUniversität der Bundeswehr, Germany (author)
  • Jessberger, Elmar K.University of Münster, Germany (author)
  • Koch, AndreasVon Hoerner und Sulger GmbH, Germany (author)
  • Krüger, HaraldMax Planck Institute for Solar System Research, Germany (author)
  • Langevin, YvesCNRS, France; University of Paris-Sud, France (author)
  • Lehto, HarryUniversity of Turku, Finland (author)
  • Lehto, KirsiUniversity of Turku, Finland (author)
  • Le Roy, LénaUniversity of Bern, Switzerland (author)
  • Merouane, SihaneMax Planck Institute for Solar System Research, Germany (author)
  • Modica, PaolaCNRS, France; Paris Diderot University, France; University of Orléans, France (author)
  • Orthous-Daunay, François-RégisCNRS, France; Université Grenoble Alpes, France (author)
  • Paquette, JohnMax Planck Institute for Solar System Research, Germany (author)
  • Raulin, FrançoisCNRS, France; Paris Diderot University, France (author)
  • Rynö, JouniFinnish Meteorological Institute, Finland (author)
  • Schulz, RitaESA European Space Agency, The Netherlands (author)
  • Silén, JohanFinnish Meteorological Institute, Finland (author)
  • Siljeström, SandraRISE,Medicinteknik(Swepub:ri)SandraSi@ri.se (author)
  • Steiger, WolfgangRC Seibersdorf Research GmbH Business Field Aerospace Technology, Austria (author)
  • Stenzel, OliverMax Planck Institute for Solar System Research, Germany (author)
  • Stephan, ThomasUniversity of Chicago, USA (author)
  • Thirkell, LaurentCNRS, France; University of Orléans, France (author)
  • Thomas, RogerCNRS, France; University of Orléans, France (author)
  • Torkar, KlausAustrian Academy of Sciences, Austria (author)
  • Varmuza, KurtVienna University of Technology, Austria (author)
  • Wanczek, Karl-PeterUniversity of Bremen, Germany (author)
  • Zaprudin, BorisUniversity of Turku, Finland (author)
  • Kissel, JochenMax Planck Institute for Solar System Research, Germany (author)
  • Hilchenbach, MartinMax Planck Institute for Solar System Research, Germany (author)
  • CNRS, France; Paris Diderot University, FranceCNRS, France; Paris Diderot University, France; University of Orléans, France (creator_code:org_t)

Related titles

  • In:Nature: Nature Publishing Group538:7623, s. 72-740028-08361476-4687

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