Sarah+Pluto


 * Dwarf Planets ﻿ **

Eris, Pluto and Ceres are the solar system's three dwarf planets. Eris and Pluto orbit beyond Neptune close to the inner edge of Kuiper Belt. Smaller Ceres is within the Main Belt of asterroids. More dwarf planets probably exist in the Kuiper Belt; they just haven't been discovered yet.


 * Kuiper Belt **
 * The Kuiper Belt is a flat belt of rock-and-ice objects, streching from just beyond's Neptune's orbit to about 12 billion km from the Sun. The first Kuiper Belt object was discovered in 1992. More than 1,000 are now known, and many thousands more are thought to exist. **


 * Ceres orbits the Sun in the Main belt. It is the largest asteroid but because of its size and round shape it has recently also been classified as one of the dwarf planets. Pluto: This rock-and-ice world's surface is an icy-230oc. Pluto is 2,304 km across and completes one trip around the Sun in about 248 years. Eris is the largest known dwarf planet. It is thought to be a few hundred kilometers biggr than pluto. Eris and its small moon Dysnomia take 560 years to orbit the Sun. **
 * Home **