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What types of orbits can comets have in the outer Solar System? Find out using the Outer Solar System Viewer!



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    Friday's
    Astro Fact:
    Did you know that Triton, the big moon of Neptune, was probably captured an independent orbit around the Sun long ago? More...
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    Created by Dr. Douglas P. Hamilton and students at U. Maryland. We gratefully acknowledge support from NSF (1998-2003) and NASA (2003-2010). About Us