superior planet, planet whose orbit lies outside that of the earth. The superior planets are Mars, Jupiter, Saturn, Uranus, and Neptune.
The Columbia Electronic Encyclopedia, 6th ed. Copyright © 2012, Columbia University Press. All rights reserved.
Research our extensive archive of more than 80 million articles from 6,500 publications.
Additional search results provided by HighBeam Research, LLC. © Copyright 2005. All rights reserved.
About Infoplease, Part of Family Education Network
© 2000–2014 Pearson Education, publishing as Infoplease