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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This boom in exoplanet discovery comes just about 30 years since the first exoplanet to be confirmed, 51 Pegasi b, was found in 1995.
—
Chelsea Gohd, Space.com, 8 May 2026
Grillmair, however, was an astrophysicist who worked on observations of exoplanets—planets orbiting other stars in the galaxy.
—Faye Flam, Scientific American, 7 May 2026
Scientists can draw on it to identify and study 100,000 exoplanets, hundreds of millions of galaxies, billions of stars, and rare objects and phenomena — including some that astronomers have never witnessed before.
—Richard Tribou, The Orlando Sentinel, 1 May 2026
That’s unfortunate, as a number of important phenomena, from the earliest galaxies to the features of exoplanet atmospheres, are only detectable at infrared wavelengths.
—John Timmer, ArsTechnica, 23 Apr. 2026
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Chelsea Gohd, Space.com, 8 May 2026
Grillmair, however, was an astrophysicist who worked on observations of exoplanets—planets orbiting other stars in the galaxy.
—Faye Flam, Scientific American, 7 May 2026
Scientists can draw on it to identify and study 100,000 exoplanets, hundreds of millions of galaxies, billions of stars, and rare objects and phenomena — including some that astronomers have never witnessed before.
—Richard Tribou, The Orlando Sentinel, 1 May 2026
That’s unfortunate, as a number of important phenomena, from the earliest galaxies to the features of exoplanet atmospheres, are only detectable at infrared wavelengths.
—John Timmer, ArsTechnica, 23 Apr. 2026
See All Example Sentences for exoplanet
Cite this Entry
“Exoplanet.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/exoplanet. Accessed 14 May. 2026.
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