extrasolar

adjective

ex·​tra·​so·​lar ˌek-strə-ˈsō-lər How to pronounce extrasolar (audio)
-ˌlär
: originating or existing outside the solar system
extrasolar planets

Examples of extrasolar 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.
For that reason, these celestial bodies are sometimes also referred to as extrasolar planets. Eric Lagatta, AZCentral.com, 29 Aug. 2025 For that reason, these celestial bodies are sometimes also referred to as extrasolar planets. Eric Lagatta, USA Today, 28 Aug. 2025 But, more crucially, even with our best telescopes these extrasolar intraterrestrials may never be readily detectable. Bruce Dorminey, Forbes.com, 25 July 2025 That's the theory of a team of researchers who looked at hundreds of extrasolar planets, or exoplanets, observed by NASA's Transiting Exoplanet Survey Satellite (TESS). Robert Lea, Space.com, 17 July 2025 See All Example Sentences for extrasolar

Word History

First Known Use

1872, in the meaning defined above

Time Traveler
The first known use of extrasolar was in 1872

Cite this Entry

“Extrasolar.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/extrasolar. Accessed 9 Sep. 2025.

Last Updated: - Updated example sentences
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