outer planet


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

Examples of outer planet in a Sentence

Recent Examples on the Web Thomas says this goes for all outer planets: Jupiter, Uranus, Neptune and Pluto. Skyler Caruso, Peoplemag, 9 May 2024 The Great Red Spot probably isn’t in imminent danger of disappearing, but weather on the outer planets can be notoriously fickle. Cody Cottier, Discover Magazine, 24 Apr. 2024 Nor are Jupiter and the other outer planets likely to be at risk when the Sun puffs out into a red giant. Jennifer Ouellette, Ars Technica, 3 May 2023 New Horizons is now nearly twice as far from the Sun as Pluto, the outer planets are receding fast, and interstellar space is illuminated by the vast swath of the Milky Way ahead. Diane Hope, Ars Technica, 12 Dec. 2023 The space agency launched Voyager 2 in 1977 to explore the outer planets and interstellar space. Harold Maass, The Week, 2 Aug. 2023 Voyager 2 rocketed into space in 1977, along with its identical twin Voyager 1, on a quest to explore the outer planets. Marcia Dunn, Anchorage Daily News, 1 Aug. 2023 In our Solar System, some of it was captured by the outer planets before it was lost. John Timmer, Ars Technica, 12 Apr. 2023 As Eric Berger previously reported, with a mass of 6 metric tons, JUICE is the largest deep space mission launched by the ESA and one of the largest by any nation to the outer planets. Jennifer Ouellette, Ars Technica, 15 Apr. 2023

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'outer planet.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

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 24 May. 2024.

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