Outer planet

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]

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

Related pages

References

Wolf, Portia. "The Outer Planets". Laboratory For Atmosphere And Space Physics. University of Colorado. Archived from the original on 30 December 2011. Retrieved 2 April 2012.

More reading

Other websites

Outer Planets Assessment Group (NASA)
- October 2011 OPAG Presentations
Planetary Science Decadal Survey Mission & Technology Studies Archived 2017-12-18 at the Wayback Machine
Dwayne Day – Exploration of the Outer Planets – U.S. Centennial of Flight Commission Archived 2011-04-13 at the Wayback Machine ~2003

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