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High-molecular-weig...
High-molecular-weight organic matter in the particles of comet 67P/Churyumov–Gerasimenko
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- Fray, Nicolas (författare)
- CNRS, France; Paris Diderot University, France
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- Bardyn, Anaïs (författare)
- CNRS, France; Paris Diderot University, France; University of Orléans, France
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- Cottin, Hervé (författare)
- CNRS, France; Paris Diderot University, France
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- Altwegg, Kathrin (författare)
- University of Bern, Switzerland
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- Baklouti, Donia (författare)
- CNRS, France; University of Paris-Sud, France
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- Briois, Christelle (författare)
- CNRS, France; University of Orléans, France
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- Colangeli, Luigi (författare)
- ESTEC European Space Research and Technology Centre, The Netherlands
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- Engrand, Cécile (författare)
- CNRS, France; University of Paris-Saclay, France; University of Paris-Sud, France
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- Fischer, Henning (författare)
- Max Planck Institute for Solar System Research, Germany
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- Glasmachers, Albrecht (författare)
- University of Wuppertal, Germany
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- Grün, Eberhard (författare)
- Max Planck Institute for Nuclear Physics, Germany
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- Haerendel, Gerhard (författare)
- Max Planck Institute for Extraterrestrial Physics, Germany
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- Henkel, Hartmut (författare)
- Von Hoerner und Sulger GmbH, Germany
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- Höfner, Herwig (författare)
- Max Planck Institute for Extraterrestrial Physics, Germany
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- Hornung, Klaus (författare)
- Universität der Bundeswehr, Germany
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- Jessberger, Elmar K. (författare)
- University of Münster, Germany
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- Koch, Andreas (författare)
- Von Hoerner und Sulger GmbH, Germany
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- Krüger, Harald (författare)
- Max Planck Institute for Solar System Research, Germany
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- Langevin, Yves (författare)
- CNRS, France; University of Paris-Sud, France
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- Lehto, Harry (författare)
- University of Turku, Finland
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- Lehto, Kirsi (författare)
- University of Turku, Finland
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- Le Roy, Léna (författare)
- University of Bern, Switzerland
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- Merouane, Sihane (författare)
- Max Planck Institute for Solar System Research, Germany
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- Modica, Paola (författare)
- CNRS, France; Paris Diderot University, France; University of Orléans, France
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- Orthous-Daunay, François-Régis (författare)
- CNRS, France; Université Grenoble Alpes, France
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- Paquette, John (författare)
- Max Planck Institute for Solar System Research, Germany
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- Raulin, François (författare)
- CNRS, France; Paris Diderot University, France
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- Rynö, Jouni (författare)
- Finnish Meteorological Institute, Finland
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- Schulz, Rita (författare)
- ESA European Space Agency, The Netherlands
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- Silén, Johan (författare)
- Finnish Meteorological Institute, Finland
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- Siljeström, Sandra (författare)
- RISE,Medicinteknik
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- Steiger, Wolfgang (författare)
- RC Seibersdorf Research GmbH Business Field Aerospace Technology, Austria
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- Stenzel, Oliver (författare)
- Max Planck Institute for Solar System Research, Germany
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- Stephan, Thomas (författare)
- University of Chicago, USA
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- Thirkell, Laurent (författare)
- CNRS, France; University of Orléans, France
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- Thomas, Roger (författare)
- CNRS, France; University of Orléans, France
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- Torkar, Klaus (författare)
- Austrian Academy of Sciences, Austria
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- Varmuza, Kurt (författare)
- Vienna University of Technology, Austria
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- Wanczek, Karl-Peter (författare)
- University of Bremen, Germany
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- Zaprudin, Boris (författare)
- University of Turku, Finland
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- Kissel, Jochen (författare)
- Max Planck Institute for Solar System Research, Germany
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- Hilchenbach, Martin (författare)
- Max Planck Institute for Solar System Research, Germany
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(creator_code:org_t)
- 2016-09-07
- 2016
- Engelska.
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Ingår i: Nature. - : Nature Publishing Group. - 0028-0836 .- 1476-4687. ; 538:7623, s. 72-74
- Relaterad länk:
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https://urn.kb.se/re...
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https://doi.org/10.1...
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Abstract
Ämnesord
Stäng
- 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.
Ämnesord
- NATURVETENSKAP -- Fysik -- Astronomi, astrofysik och kosmologi (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences -- Astronomy, Astrophysics and Cosmology (hsv//eng)
Nyckelord
- Asteroids
- comets
- Kuiper belt
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- art (ämneskategori)
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Fray, Nicolas
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Bardyn, Anaïs
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Cottin, Hervé
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Altwegg, Kathrin
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Baklouti, Donia
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Briois, Christel ...
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visa fler...
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Colangeli, Luigi
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Engrand, Cécile
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Fischer, Henning
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Glasmachers, Alb ...
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Grün, Eberhard
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Haerendel, Gerha ...
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Henkel, Hartmut
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Höfner, Herwig
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Hornung, Klaus
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Jessberger, Elma ...
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Koch, Andreas
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Krüger, Harald
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Langevin, Yves
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Lehto, Harry
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Lehto, Kirsi
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Le Roy, Léna
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Merouane, Sihane
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Modica, Paola
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Orthous-Daunay, ...
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Paquette, John
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Raulin, François
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Rynö, Jouni
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Schulz, Rita
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Silén, Johan
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Siljeström, Sand ...
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Steiger, Wolfgan ...
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Stenzel, Oliver
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Stephan, Thomas
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Thirkell, Lauren ...
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Thomas, Roger
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Torkar, Klaus
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Varmuza, Kurt
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Wanczek, Karl-Pe ...
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Zaprudin, Boris
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Kissel, Jochen
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Hilchenbach, Mar ...
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