exoplanet
noun
exo·plan·et
ˈek-sō-ˌpla-nət 
ˌek-sō-ˈpla-
: a planet orbiting a star that is not our sun
Examples of exoplanet in a Sentence
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The Jupiter-esque planet known as TOI-5205 b is the first exoplanet of its kind with an atmosphere containing far fewer heavy elements than similarly sized objects, as well as its own red dwarf star.
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Andrew Paul, Popular Science, 2 Apr. 2026
Scientists have discovered more than 6,000 exoplanets to date, but the majority of them are probably sterile worlds.
—Joanna Thompson, Space.com, 28 Mar. 2026
Hidden ocean worlds The new study suggests that moons orbiting rogue exoplanets could sustain habitable conditions for billions of years—despite the absence of any nearby star.
—Jijo Malayil, Interesting Engineering, 22 Mar. 2026
The new exoplanet displays neither.
—Julia Jacobo, ABC News, 16 Mar. 2026
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Andrew Paul, Popular Science, 2 Apr. 2026
Scientists have discovered more than 6,000 exoplanets to date, but the majority of them are probably sterile worlds.
—Joanna Thompson, Space.com, 28 Mar. 2026
Hidden ocean worlds The new study suggests that moons orbiting rogue exoplanets could sustain habitable conditions for billions of years—despite the absence of any nearby star.
—Jijo Malayil, Interesting Engineering, 22 Mar. 2026
The new exoplanet displays neither.
—Julia Jacobo, ABC News, 16 Mar. 2026
See All Example Sentences for exoplanet
Cite this Entry
“Exoplanet.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/exoplanet. Accessed 4 Apr. 2026.
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