A record of planet migration in the main asteroid belt

David A. Minton () and Renu Malhotra
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David A. Minton: Lunar and Planetary Laboratory, University of Arizona, 1629 East University Boulevard, Tucson, Arizona 85716, USA
Renu Malhotra: Lunar and Planetary Laboratory, University of Arizona, 1629 East University Boulevard, Tucson, Arizona 85716, USA

Nature, 2009, vol. 457, issue 7233, 1109-1111

Abstract: Asteroids lost in space There are known gaps in the main asteroid belt, called Kirkwood gaps, where the gravitational effects of the giant planets have cleared away any asteroids by making their potential orbits unstable. David Minton and Renu Malhotra have modelled the structure of the asteroid belt and find that there are regions where the orbits are stable but still devoid of bodies. They then demonstrate that these depletions are consistent with the effects of the orbital migration of Jupiter and Saturn early in the history of the Solar System.

Date: 2009
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DOI: 10.1038/nature07778

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