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News and Views
Nature 460, 963-964 (20 August 2009) | doi:10.1038/460963a; Published online 19 August 2009
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Planetary science: Archaeology of the asteroid belt
John Chambers1
Abstract
The size of asteroids in the Solar System's main asteroid belt may help constrain one of the least-understood aspects of planet formation — the transition from pebble-sized dust balls to mountain-sized planetesimals.
As residents of our own planet Earth, we can all take an interest in how planets are born. The discovery of planets orbiting stars other than the Sun, and the rich variety of worlds that have come to light over the past two decades, make this question even more fascinating.
- John Chambers is in the Department of Terrestrial Magnetism, Carnegie Institution for Science, 5241 Broad Branch Road NW, Washington, DC 20015, USA.
Email: chambers@dtm.ciw.edu
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