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Science 13 April 2007:
Vol. 316. no. 5822, pp. 211 - 212
DOI: 10.1126/science.1141930
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Perspectives

PLANETARY SCIENCE:
As Tiny Worlds Turn

David P. Rubincam and Stephen J. Paddack

Rotational force produced by sunlight may help explain the movement of small asteroids, unusual asteroid orbits, and asteroid pairs.

The authors are with NASA Goddard Space Flight Center, Greenbelt, MD 20771, USA. E-mail: David.P.Rubincam{at}nasa.gov

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Science. ISSN 0036-8075 (print), 1095-9203 (online)