The Edges of the Solar System
Friday, May 7, 2010 - 12:04
in Astronomy & Space
(PhysOrg.com) -- The solar system does not end abruptly past the planets. Beyond the orbit of Neptune, the outermost planet (it orbits the sun at a distance of 30 AU, where one AU is the average distance of the earth from the sun), lies the Kuiper Belt, a region of many, small icy bodies that extends out well beyond 130 AU.