outer planet


: any of the planets Jupiter, Saturn, Uranus, and Neptune whose orbits lie beyond the asteroid belt

Example Sentences

Recent Examples on the Web Furthermore, the two planets are orbiting in a resonance, with the inner planet circling its star twice as often as the outer planet. Korey Haynes, Discover Magazine, 3 June 2019 Artist’s rendering of binary system Kepler-47, with outer planet Kepler-47c in the foreground and inner planet Kepler-47b in the bottom right corner can be tough. Sophie Bushwick, Discover Magazine, 29 Aug. 2012 Despite these changes, the outer planet seems to reside continuously in the habitable zone of the system. Korey Haynes, Discover Magazine, 16 Apr. 2019 Opposition is when Earth passes directly between the sun and an outer planet. Joshua Hawkins, BGR, 24 Sep. 2022 Uranus is an outer planet that affects our long-term goals. Elizabeth Gulino, refinery29.com, 23 Aug. 2022 The first space mission to orbit an outer planet from pole to pole, Juno gets to with a few thousand miles of Jupiter’s cloud-tops at the poles. Jamie Carter, Forbes, 25 May 2022 And the latest report, released today, has put this outer planet front and center. Marina Koren, The Atlantic, 19 Apr. 2022 So Siegelman, a researcher at San Diego’s Scripps Institution of Oceanography, turned her eye to the latest detailed images of the outer planet. Ramin Skibba, Wired, 10 Jan. 2022 See More

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'outer planet.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

Word History

First Known Use

1850, in the meaning defined above

Time Traveler
The first known use of outer planet was in 1850

Dictionary Entries Near outer planet

Cite this Entry

“Outer planet.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/outer%20planet. Accessed 8 Feb. 2023.

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