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solar system
noun
: the sun together with the group of celestial bodies that are held by its attraction and revolve around it
also
: a similar system centered on another star
Examples of solar system in a Sentence
Recent Examples on the Web
An Earth-sized planet in a star system very similar to our solar system may have an atmosphere after all, suggests new research using the James Webb Space Telescope.
—Jamie Carter, Forbes, 16 Dec. 2024
If our solar system was located at the center of this remarkable cluster, our night sky would be full of hundreds of stars as bright as the full moon.
—Alan Taylor, The Atlantic, 14 Dec. 2024
The finding could change the way astronomers understand moons dominated by subsurface global oceans in our solar system, such as Jupiter’s moon Europa and planets beyond our solar system.
—Ashley Strickland, CNN, 13 Dec. 2024
When studying the outer planets of our solar system, there’s no solid ground.
—Sam Walters, Discover Magazine, 12 Dec. 2024
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Word History
First Known Use
circa 1704, in the meaning defined above
Dictionary Entries Near solar system
Cite this Entry
“Solar system.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/solar%20system. Accessed 21 Dec. 2024.
Kids Definition
solar system
noun
: a star with the group of heavenly bodies that revolve around it
especially
: the sun with the planets, moons, asteroids, and comets that orbit it
More from Merriam-Webster on solar system
Britannica English: Translation of solar system for Arabic Speakers
Britannica.com: Encyclopedia article about solar system
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