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
Recent Examples on the Web
Like a family in which short parents have tall children, a tiny red dwarf star is defying our understanding of how planets form by existing alongside a giant exoplanet.
—
Keith Cooper, Space.com, 4 June 2025
The James Webb Space Telescope detected methane and carbon dioxide on a distant exoplanet, stirring cautious excitement about the possibility of life beyond Earth.
—Scott Travers, Forbes.com, 19 Apr. 2025
The discovery was made on a massive exoplanet known as K2-18b that is much larger than Earth but smaller than Neptune.
—Eric Lagatta, USA Today, 18 Apr. 2025
The discovery, made by the James Webb Space Telescope, is a major step forward in filling in gaps in our understanding of how exoplanets develop.
—Keith Cooper, Space.com, 19 May 2025
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Keith Cooper, Space.com, 4 June 2025
The James Webb Space Telescope detected methane and carbon dioxide on a distant exoplanet, stirring cautious excitement about the possibility of life beyond Earth.
—Scott Travers, Forbes.com, 19 Apr. 2025
The discovery was made on a massive exoplanet known as K2-18b that is much larger than Earth but smaller than Neptune.
—Eric Lagatta, USA Today, 18 Apr. 2025
The discovery, made by the James Webb Space Telescope, is a major step forward in filling in gaps in our understanding of how exoplanets develop.
—Keith Cooper, Space.com, 19 May 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 14 Jun. 2025.
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