outer planet
any of the planets in our solar system whose orbits lie beyond the asteroid belt, namely, Jupiter, Saturn, Uranus, and Neptune: before its reclassification as a dwarf planet in 2006, Pluto was included among the outer planets.
Origin of outer planet
1- Compare inner planet.
- See also giant planet.
Words Nearby outer planet
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2024
How to use outer planet in a sentence
The find is the first concrete evidence to the idea that our outer planets could survive the death of the sun.
A newly discovered planet orbiting a dead star offers a glimpse of Earth’s future | Leto Sapunar | October 23, 2021 | Popular-ScienceMercury, Venus and the outer planets, with their extreme temperatures and inhospitable chemistry, may have gotten everything wrong.
Every time an outer planet completes an orbit around its star, some of its closer-in sibling planets complete multiple orbits.
Two exoplanet families redefine what planetary systems can look like | Lisa Grossman | February 5, 2021 | Science NewsFor consider the facts which characterise the movements of an outer planet such as Mars.
Great Astronomers | R. S. BallWe'd better make the limits of your sovereignty the orbit of the outer planet of this system.
A Slave is a Slave | Henry Beam Piper
Speaking loosely, we may say that each outer planet is twice as far from the Sun as is the next inner one.
Eureka: | Edgar A. PoeLe Verrier's prediction of an outer planet was a matter of dead certainty.
Mars and its Mystery | Edward Sylvester MorseThe useless outer planet remained a lush green, save for its seas.
Talents, Incorporated | William Fitzgerald Jenkins
British Dictionary definitions for outer planet
any of the planets Jupiter, Saturn, Uranus, Neptune, and (formerly) Pluto, whose orbit lies outside the asteroid belt
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Scientific definitions for outer planet
Any of the four planets Jupiter, Saturn, Uranus, and Neptune, whose orbits lie outside that of Mars. The outer planets are large gas giants. Compare inner planet. See also superior planet.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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