outer planet
noun
: any of the planets Jupiter, Saturn, Uranus, and Neptune whose orbits lie beyond the asteroid belt
Examples of outer planet in a Sentence
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These two outer planets, which lie farther from the sun than Earth so can't undertake us like Venus and Mercury, are called superior planets by astronomers.
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Jamie Carter, Forbes, 21 Mar. 2025
More details on the outer planets' moons will require space missions to get a closer look.
—Jack Knudson, Discover Magazine, 17 Mar. 2025
Scientific American senior news reporter Meghan Bartels follows two beloved spacecraft, Voyagers 1 and 2, on their epic tour past the outer planets, across the edge of the sun’s influence (the heliosphere) and into interstellar space.
—Jeanna Bryner, Scientific American, 18 Mar. 2025
Opposition is when Earth is between an outer planet and the sun, ensuring the full disk is illuminated and closest to us.
—Jamie Carter, Forbes, 25 Nov. 2024
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Jamie Carter, Forbes, 21 Mar. 2025
More details on the outer planets' moons will require space missions to get a closer look.
—Jack Knudson, Discover Magazine, 17 Mar. 2025
Scientific American senior news reporter Meghan Bartels follows two beloved spacecraft, Voyagers 1 and 2, on their epic tour past the outer planets, across the edge of the sun’s influence (the heliosphere) and into interstellar space.
—Jeanna Bryner, Scientific American, 18 Mar. 2025
Opposition is when Earth is between an outer planet and the sun, ensuring the full disk is illuminated and closest to us.
—Jamie Carter, Forbes, 25 Nov. 2024
See All Example Sentences for outer planet
Cite this Entry
“Outer planet.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/outer%20planet. Accessed 2 May. 2025.
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