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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Findings will also improve scientists' understanding of how atomic hydrogen escapes Earth's gravity and inform models of planetary evolution in the search for habitable exoplanets.
—
Josh Dinner, Space.com, 9 Sep. 2025
While the transit and stellar wobble methods are still the most prolific, the science of direct imaging is bringing us some of the most important results in exoplanet science, including prospects for life.
—Ethan Siegel, Big Think, 6 Sep. 2025
The growing exoplanet, named WISPIT 2b, is estimated to be about 5 million years old – relatively young in cosmic terms – and five times bigger than the gas giant Jupiter.
—Eric Lagatta, AZCentral.com, 29 Aug. 2025
Astronomers have confirmed the existence of more than 5,800 exoplanets, but billions are thought to exist, according to NASA.
—Eric Lagatta, USA Today, 28 Aug. 2025
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Josh Dinner, Space.com, 9 Sep. 2025
While the transit and stellar wobble methods are still the most prolific, the science of direct imaging is bringing us some of the most important results in exoplanet science, including prospects for life.
—Ethan Siegel, Big Think, 6 Sep. 2025
The growing exoplanet, named WISPIT 2b, is estimated to be about 5 million years old – relatively young in cosmic terms – and five times bigger than the gas giant Jupiter.
—Eric Lagatta, AZCentral.com, 29 Aug. 2025
Astronomers have confirmed the existence of more than 5,800 exoplanets, but billions are thought to exist, according to NASA.
—Eric Lagatta, USA Today, 28 Aug. 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 11 Sep. 2025.
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