Solar System evolution from compositional mapping of the asteroid belt.
Advances in the discovery and characterization of asteroids over the past decade have revealed an unanticipated underlying structure that points to a dramatic early history of the inner Solar System. The asteroids in the main asteroid belt have been discovered to be more compositionally diverse with size and distance from the Sun than had previously been known. This implies substantial mixing through processes such as planetary migration and the subsequent dynamical processes.
1] Harvard-Smithsonian Center for Astrophysics, 60 Garden Street, MS-16, Cambridge, Massachusetts 02138, USA [2] Department of Earth, Atmospheric and Planetary Sciences, Massachusetts Institute of Technology (MIT), 77 Massachusetts Avenue, Cambridge, Massachusetts 02139, USA.
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1] Institut de Mécanique Céleste et de Calcul des Éphémérides, Observatoire de Paris, UMR8028 CNRS, 77 avenue Denfert-Rochereau, 75014 Paris, France [2] European Space Astronomy (ESA) Centre, PO Box 78, Villanueva de la Cañada 28691, Madrid, Spain.
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