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In this issue:
Dawn Mission Status
Dawn Instruments are Delivered to Orbital
Ceres Results Published in Nature
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Ceres Results Published in Nature
An article by Thomas et al. (2005) reporting
the results of Ceres observations made using the Hubble Space Telescope
Advanced Camera for Surveys was published in Nature this September and highlighted in a recent NASA
press release. Thomas et al.
(2005) interpret the relaxed, flattened shape of Ceres as indicative of it
having a rocky core surrounded by an icy mantle and thin, dusty crust,
consistent with the predictions of McCord and Sotin (2005). The new pole
and shape information have been incorporated into Dawn's mission planning
activities.
McCord, T. B., and C.
Sotin, 2005. Ceres: Evolution and current state, J. Geophys. Res., 110, DOI:10.1029/2004JE002377,
E05009-1-E05009-14.
Thomas, P. C., J. W. Parker, L. A. McFadden, C. T.
Russell, S. A. Stern, M. V. Sykes & E. F. Young, Differentiation of the
asteroid Ceres as revealed by its shape, Nature, DOI: 10.1038/nature03938, 2005.
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