The Case for Ceres: Report to the Planetary Science Decadal Survey Committee

Details The Case for Ceres: Report to the Planetary Science Decadal Survey Committee The Case for Ceres: Report to the Planetary Science Decadal Survey Committee

Dec 2009

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2009agufm.p52a..08r&link_type=abstract

American Geophysical Union, Fall Meeting 2009, abstract #P52A-08

Mathematics

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[6205] Planetary Sciences: Solar System Objects / Asteroids, [6299] Planetary Sciences: Solar System Objects / General Or Miscellaneous

Scientific paper

Ceres is the largest object in the asteroid belt, accounting for one-third of the mass found between Mars and Jupiter. Since the last decadal survey our knowledge of Ceres has blossomed, with observations, modeling, and theory converging on a paradigm of a severely aqueously altered body with an icy mantle covering a rocky core, intermediate in nature between the rocky bodies of the inner solar system and the icy satellites found at the jovian planets. However, this paradigm is still in its infancy and recent work has proposed alternatives including an undifferentiated object, and even an origin in the outer solar system. While Dawn will begin the spacecraft reconnaissance of Ceres and provide a wealth of data, geophysical, geochemical, and astrobiological considerations show Ceres to be uniquely compelling as a target for continued ground-based and space-based attention in the coming decade. We will summarize the current state of knowledge about Ceres, present the outstanding science questions presented by Ceres, and recommendations for priorities for the upcoming decade of Ceres research.

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