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Nature 396, 413 (3 December 1998) | doi:10.1038/24731
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Professor of Experimental Virology (W3)
- University Hospital Jena, Institute of Virology and Antivirale Therapy
- Jena, Germany
John Innes Centre Project Leader in Plant or Microbial Sciences
- University of East Anglia
- Norwich, NR4 7TJ, UK
Solar system: Circular problems
Douglas P. Hamilton1
The most striking regularity observed in our Solar System is that the planets all follow nearly circular, nearly co-planar orbits about the Sun. This feature lends strong support to the theory that the planets accreted out of the solar nebula — a flattened disk of gas and dust that surrounded the young Sun (Fig. 1
- Douglas P. Hamilton is in the Department of Astronomy, Univèrsity of Maryland, College Park, Maryland 20742, USA.
e-mail: Email: hamilton@astro.umd.edu
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