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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Illustration: Getty Images A team of astronomers from the University of Montreal has discovered a new potentially habitable exoplanet orbiting the red dwarf star L 98-59, 35 light-years from Earth.
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Jorge Garay, Wired News, 28 July 2025
The researchers then used computer modeling to assess the impact of this radiation on the exoplanet and its atmosphere.
—Robert Lea, Space.com, 18 July 2025
Astronomers have been studying this exoplanet and its host star HIP 67522 for years with high-tech tools like NASA’s James Webb Space Telescope and Transiting Exoplanet Survey Satellite (TESS).
—Andrew Paul, Popular Science, 2 July 2025
The team gathered hundreds of TESS observations of exoplanets, sorting them by the width of the exoplanets in question.
—Robert Lea, Space.com, 17 July 2025
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Jorge Garay, Wired News, 28 July 2025
The researchers then used computer modeling to assess the impact of this radiation on the exoplanet and its atmosphere.
—Robert Lea, Space.com, 18 July 2025
Astronomers have been studying this exoplanet and its host star HIP 67522 for years with high-tech tools like NASA’s James Webb Space Telescope and Transiting Exoplanet Survey Satellite (TESS).
—Andrew Paul, Popular Science, 2 July 2025
The team gathered hundreds of TESS observations of exoplanets, sorting them by the width of the exoplanets in question.
—Robert Lea, Space.com, 17 July 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 21 Aug. 2025.
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