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.
Despite its far-reaching goals to send humans back to the moon, explore Mars and identify exoplanets, NASA has studied one planet in our solar system far more than any other: Earth. Kayla Randall, Smithsonian Magazine, 8 Oct. 2024 Rather than carry many instruments with a vast array of purposes, these Lilliputian-size satellites typically focus on a single, specific scientific goal – whether discovering exoplanets or measuring the size of an asteroid. Discover Magazine, 4 Oct. 2024 The exoplanet at the heart of this research is PDS 70b, a gas giant with around three times the mass and width of Jupiter located 369 light-years away from us. Robert Lea, Space.com, 19 Dec. 2024 Perhaps more importantly, in 2022, the telescope has also provided us with the first glimpses of rocky exoplanets inside what astronomers call the habitable zone. 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

Dictionary Entries Near exoplanet

Cite this Entry

“Exoplanet.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/exoplanet. Accessed 21 Jan. 2025.

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