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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Here's everything to know about exoplanets, as well as the first 3D map of a planet outside Earth's solar system.
—
Eric Lagatta, USA Today, 30 Oct. 2025
Another study reported on the ice phase called ice VIIt, which appears deep in Earth's mantle or on watery exoplanets.
—Pranjal Malewar, New Atlas, 26 Oct. 2025
The first batch of exoplanet data from Gaia is expected to be released in December 2026 – perhaps then the mystery might be solved?
—Keith Cooper, Space.com, 24 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
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Eric Lagatta, USA Today, 30 Oct. 2025
Another study reported on the ice phase called ice VIIt, which appears deep in Earth's mantle or on watery exoplanets.
—Pranjal Malewar, New Atlas, 26 Oct. 2025
The first batch of exoplanet data from Gaia is expected to be released in December 2026 – perhaps then the mystery might be solved?
—Keith Cooper, Space.com, 24 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
See All Example Sentences for exoplanet
Cite this Entry
“Exoplanet.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/exoplanet. Accessed 9 Nov. 2025.
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