Outer planet

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From top to bottom: Neptune, Uranus, Saturn, and Jupiter to approximate scale and color.

The outer planets are planets in the Solar System that are beyond the asteroid belt. The four planets; Jupiter, Saturn, Uranus and Neptune are gas giants. All four of these planets have planetary rings which are made up of dust and other particles.[1]

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  1. Wolf, Portia. "The Outer Planets". Laboratory For Atmosphere And Space Physics. University of Colorado. http://lasp.colorado.edu/education/outerplanets/rings.php. Retrieved 2 April 2012.

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