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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Besides studying dark matter and dark energy, one of Roman's core surveys will be the Galactic Bulge Time-Domain Survey, in which millions of stars in the central bulge of the Milky Way galaxy will be studied, principally to look for exoplanets.
—
Keith Cooper, Space.com, 24 Nov. 2025
This kind of approach is especially important given the diversity of exoplanets.
—Morgan Underwood, The Conversation, 19 Nov. 2025
Understanding how the violent activity of stars affects exoplanets is crucial as astronomers seek to determine whether any planet beyond our solar system is potentially habitable for life.
—Ashley Strickland, CNN Money, 16 Nov. 2025
Scientists expected to find phosphine in other brown dwarfs and gas giant exoplanets.
—Chris Young, Interesting Engineering, 10 Nov. 2025
See All Example Sentences for exoplanet
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Keith Cooper, Space.com, 24 Nov. 2025
This kind of approach is especially important given the diversity of exoplanets.
—Morgan Underwood, The Conversation, 19 Nov. 2025
Understanding how the violent activity of stars affects exoplanets is crucial as astronomers seek to determine whether any planet beyond our solar system is potentially habitable for life.
—Ashley Strickland, CNN Money, 16 Nov. 2025
Scientists expected to find phosphine in other brown dwarfs and gas giant exoplanets.
—Chris Young, Interesting Engineering, 10 Nov. 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 4 Dec. 2025.
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