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
Recent Examples on the Web
Like most exoplanets, it was found indirectly.
—
Keith Cooper, Space.com, 6 Oct. 2025
The innermost planet is rocky, the second planet is likely a smaller, warmer version of Neptune, and the third exoplanet from its parent star, TOI 700d, is about 70% more massive and 19% larger in radius than Earth.
—Ethan Siegel, Big Think, 2 Oct. 2025
Today's talkers Astronomers have found more than 6,000 exoplanets.
—Nicole Fallert, USA Today, 23 Sep. 2025
Astronomers might be close to confirming the presence of an Earth-like atmosphere on an exoplanet for the first time, if more detailed analyses verify preliminary observations from the James Webb Space Telescope.
—Jacopo Prisco, CNN Money, 18 Sep. 2025
See All Example Sentences for exoplanet
Examples are automatically compiled from online sources to
show current usage.
Read More
Opinions expressed in the examples do not represent those of Merriam-Webster or its editors.
Send us feedback.
Keith Cooper, Space.com, 6 Oct. 2025
The innermost planet is rocky, the second planet is likely a smaller, warmer version of Neptune, and the third exoplanet from its parent star, TOI 700d, is about 70% more massive and 19% larger in radius than Earth.
—Ethan Siegel, Big Think, 2 Oct. 2025
Today's talkers Astronomers have found more than 6,000 exoplanets.
—Nicole Fallert, USA Today, 23 Sep. 2025
Astronomers might be close to confirming the presence of an Earth-like atmosphere on an exoplanet for the first time, if more detailed analyses verify preliminary observations from the James Webb Space Telescope.
—Jacopo Prisco, CNN Money, 18 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 9 Oct. 2025.
Copy CitationLove words? Need even more definitions?
Merriam-Webster unabridged
Share