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 world's first commercial deep space astronomy telescope is set to search for stars that could host habitable exoplanets in their orbits.
—
Tereza Pultarova, Space.com, 17 Oct. 2025
But even if that purported lunar companion proves illusory, this new method of tracking down mysterious sources of unexplained material around giant exoplanets could become a definitive pathway for future exomoon finds.
—Nola Taylor Tillman, Scientific American, 13 Oct. 2025
And of stars below 10% of the Sun’s metallicity, only 10 systems, ever, have been found to have an exoplanet.
—Big Think, 10 Oct. 2025
Today's talkers Astronomers have found more than 6,000 exoplanets.
—Nicole Fallert, USA Today, 23 Sep. 2025
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Tereza Pultarova, Space.com, 17 Oct. 2025
But even if that purported lunar companion proves illusory, this new method of tracking down mysterious sources of unexplained material around giant exoplanets could become a definitive pathway for future exomoon finds.
—Nola Taylor Tillman, Scientific American, 13 Oct. 2025
And of stars below 10% of the Sun’s metallicity, only 10 systems, ever, have been found to have an exoplanet.
—Big Think, 10 Oct. 2025
Today's talkers Astronomers have found more than 6,000 exoplanets.
—Nicole Fallert, USA Today, 23 Sep. 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 Oct. 2025.
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