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  1. OA@INAF
  2. PRODOTTI RICERCA INAF
  3. 1 CONTRIBUTI IN RIVISTE (Journal articles)
  4. 1.01 Articoli in rivista
Please use this identifier to cite or link to this item: http://hdl.handle.net/20.500.12386/28668
Title: Localized aliphatic organic material on the surface of Ceres
Authors: DE SANCTIS, MARIA CRISTINA 
Ammannito, E.
McSween, H. Y.
RAPONI, Andrea 
Marchi, S.
CAPACCIONI, FABRIZIO 
CAPRIA, MARIA TERESA 
CARROZZO, FILIPPO GIACOMO 
CIARNIELLO, Mauro 
FONTE, SERGIO 
FORMISANO, Michelangelo 
FRIGERI, ALESSANDRO 
Giardino, M.
Longobardo, A.
Magni, G.
McFadden, L. A.
PALOMBA, Ernesto 
Pieters, C. M.
TOSI, Federico 
ZAMBON, Francesca 
Raymond, C. A.
Russell, C. T.
Issue Date: 2017
Journal: SCIENCE 
Number: 355
Issue: 6326
First Page: 719
Abstract: Organic compounds occur in some chondritic meteorites, and their signatures on solar system bodies have been sought for decades. Spectral signatures of organics have not been unambiguously identified on the surfaces of asteroids, whereas they have been detected on cometary nuclei. Data returned by the Visible and InfraRed Mapping Spectrometer on board the Dawn spacecraft show a clear detection of an organic absorption feature at 3.4 micrometers on dwarf planet Ceres. This signature is characteristic of aliphatic organic matter and is mainly localized on a broad region of ~1000 square kilometers close to the ~50-kilometer Ernutet crater. The combined presence on Ceres of ammonia-bearing hydrated minerals, water ice, carbonates, salts, and organic material indicates a very complex chemical environment, suggesting favorable environments to prebiotic chemistry.
URI: http://hdl.handle.net/20.500.12386/28668
URL: https://science.sciencemag.org/content/355/6326/719
ISSN: 0036-8075
DOI: 10.1126/science.aaj2305
Bibcode ADS: 2017Sci...355..719D
Fulltext: reserved
Appears in Collections:1.01 Articoli in rivista

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