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 International Astronomical Union considers the lemon planet an exoplanet.
—
Adam Harrington, CBS News, 23 Dec. 2025
With Fomalhaut’s collisions confirmed, astrophysicists can start utilizing the data to better inform planetary models, as well as more accurately identify potential exoplanets.
—Andrew Paul, Popular Science, 18 Dec. 2025
Of the 150 or so exoplanet atmospheres studied to date, no others have possessed detectable molecular carbon.
—Robert Lea, Space.com, 16 Dec. 2025
Their answers, recently published in the Astrophysical Journal Letters, say a lot not just about this exoplanet, but about how scientists should refocus their hunt for alien life.
—Regina G. Barber, NPR, 12 Dec. 2025
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Adam Harrington, CBS News, 23 Dec. 2025
With Fomalhaut’s collisions confirmed, astrophysicists can start utilizing the data to better inform planetary models, as well as more accurately identify potential exoplanets.
—Andrew Paul, Popular Science, 18 Dec. 2025
Of the 150 or so exoplanet atmospheres studied to date, no others have possessed detectable molecular carbon.
—Robert Lea, Space.com, 16 Dec. 2025
Their answers, recently published in the Astrophysical Journal Letters, say a lot not just about this exoplanet, but about how scientists should refocus their hunt for alien life.
—Regina G. Barber, NPR, 12 Dec. 2025
See All Example Sentences for exoplanet
Cite this Entry
“Exoplanet.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/exoplanet. Accessed 24 Dec. 2025.
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