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 team gathered hundreds of TESS observations of exoplanets, sorting them by the width of the exoplanets in question.
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Robert Lea, Space.com, 17 July 2025
To date, researchers have used TESS to confirm the existence of 638 exoplanets, or slightly more than 10% of all the exoplanets currently known to exist, and to find another 7,655 celestial bodies that are still subject to research that might confirm or disprove their status as exoplanets.
—Andre Mouchard, Oc Register, 16 July 2025
These are gas planets that are also huge and often brighter and easier to detect than some of the other exoplanets.
—Sara Novak, Discover Magazine, 2 July 2025
Fun fact: James Webb Space Telescope’s exoplanet discovery While the new study marks the first time the James Webb Space Telescope has discovered a new exoplanet through direct imaging, the observatory confirmed an earlier discovery of a potential exoplanet in January 2023.
—Margherita Bassi, Smithsonian Magazine, 27 June 2025
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Robert Lea, Space.com, 17 July 2025
To date, researchers have used TESS to confirm the existence of 638 exoplanets, or slightly more than 10% of all the exoplanets currently known to exist, and to find another 7,655 celestial bodies that are still subject to research that might confirm or disprove their status as exoplanets.
—Andre Mouchard, Oc Register, 16 July 2025
These are gas planets that are also huge and often brighter and easier to detect than some of the other exoplanets.
—Sara Novak, Discover Magazine, 2 July 2025
Fun fact: James Webb Space Telescope’s exoplanet discovery While the new study marks the first time the James Webb Space Telescope has discovered a new exoplanet through direct imaging, the observatory confirmed an earlier discovery of a potential exoplanet in January 2023.
—Margherita Bassi, Smithsonian Magazine, 27 June 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 1 Aug. 2025.
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