exoplanet

noun

exo·​plan·​et ˈek-sō-ˌpla-nət How to pronounce exoplanet (audio)
ˌek-sō-ˈpla-
: a planet orbiting a star that is not our sun

Examples of exoplanet in a Sentence

Recent Examples on the Web
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.
Our local volume of space is filled with amazing objects, such as powerful Wolf-Rayet stars blasting out waves of dust, stars that are just on the edge of exploding and exoplanets galore, just to name a handful. Phil Plait, Scientific American, 20 Feb. 2025 To find other exoplanets, the team is already looking to larger telescopes, like the ESO’s Extremely Large Telescope (ELT), which is scheduled to start scientific observations in 2028. Sam Walters, Discover Magazine, 18 Feb. 2025 Contemporary astronomers can make use of lensing to look for exoplanets. Jeffrey Kluger/greenbelt, TIME, 8 Feb. 2025 Nevertheless, the signal detected from exoplanets is typically weaker than the one emitted by the much brighter host star. Lisa Kaltenegger, WIRED, 5 Dec. 2024 See All Example Sentences for exoplanet

Word History

First Known Use

1992, in the meaning defined above

Time Traveler
The first known use of exoplanet was in 1992

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Cite this Entry

“Exoplanet.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/exoplanet. Accessed 9 Mar. 2025.

Last Updated: - Updated example sentences
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