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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Crystalline water ice, Xie explained, is known to be found in various places within our solar systems—from some of the moons of the outer planets to Saturn's rings, comets and other rocks that make up the Kuiper Belt at the edge of the solar system.
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Ian Randall, MSNBC Newsweek, 15 May 2025
In our own neighborhood, Hubble has studied the changing weather on the outer planets, discovered moons orbiting Pluto and watched the once-in-a-lifetime impact of Comet Shoemaker-Levy 9 on Jupiter scar the giant planet with dark spots as big as Earth.
—Meghan Bartels, Scientific American, 24 Apr. 2025
The company hopes to partner with other missions to rapidly deliver cargo to Mars, supplies to lunar orbit, mining equipment to near-Earth asteroids, probes to outer planets and telescopes to deep space.
—Margherita Bassi, Smithsonian Magazine, 18 Apr. 2025
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.
—Jamie Carter, Forbes, 21 Mar. 2025
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Ian Randall, MSNBC Newsweek, 15 May 2025
In our own neighborhood, Hubble has studied the changing weather on the outer planets, discovered moons orbiting Pluto and watched the once-in-a-lifetime impact of Comet Shoemaker-Levy 9 on Jupiter scar the giant planet with dark spots as big as Earth.
—Meghan Bartels, Scientific American, 24 Apr. 2025
The company hopes to partner with other missions to rapidly deliver cargo to Mars, supplies to lunar orbit, mining equipment to near-Earth asteroids, probes to outer planets and telescopes to deep space.
—Margherita Bassi, Smithsonian Magazine, 18 Apr. 2025
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.
—Jamie Carter, Forbes, 21 Mar. 2025
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 22 May. 2025.
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