Ceres: Astrobiological Target and Possible Ocean World
| Autor: | Edward D. Young, Christopher H. House, Marc Neveu, Kelly E. Miller, Anton I. Ermakov, Amanda R. Hendrix, Lynnae C. Quick, Maria Cristina De Sanctis, Jennifer E.C. Scully, Michael T. Bland, Alexis Bouquet, Carol A. Raymond, Christopher T. Russell, Julie Castillo-Rogez, Thomas H. Prettyman, Brent Sherwood |
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| Přispěvatelé: | Laboratoire d'Astrophysique de Marseille (LAM), Aix Marseille Université (AMU)-Institut national des sciences de l'Univers (INSU - CNRS)-Centre National d'Études Spatiales [Toulouse] (CNES)-Centre National de la Recherche Scientifique (CNRS) |
| Rok vydání: | 2020 |
| Předmět: |
Solar System
Evolution Chemical 010504 meteorology & atmospheric sciences Oceans and Seas Water 01 natural sciences Agricultural and Biological Sciences (miscellaneous) Minor Planets Astrobiology [SDU]Sciences of the Universe [physics] Space and Planetary Science Physics::Space Physics Exobiology 0103 physical sciences Earth (chemistry) Astrophysics::Earth and Planetary Astrophysics 010303 astronomy & astrophysics Geology 0105 earth and related environmental sciences |
| Zdroj: | Astrobiology Astrobiology, 2020, 20, pp.269-291. ⟨10.1089/ast.2018.1999⟩ |
| ISSN: | 1557-8070 1531-1074 |
| Popis: | International audience; Ceres, the most water-rich body in the inner solar system after Earth, has recently been recognized to have astrobiological importance. Chemical and physical measurements obtained by the Dawn mission enabled the quantification of key parameters, which helped to constrain the habitability of the inner solar system's only dwarf planet. The surface chemistry and internal structure of Ceres testify to a protracted history of reactions between liquid water, rock, and likely organic compounds. We review the clues on chemical composition, temperature, and prospects for long-term occurrence of liquid and chemical gradients. Comparisons with giant planet satellites indicate similarities both from a chemical evolution standpoint and in the physical mechanisms driving Ceres' internal evolution. |
| Databáze: | OpenAIRE |
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