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
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.
The solar system is expected to generate 35% of the store’s total electricity usage. Chris Higgins, Kansas City Star, 21 Nov. 2025 Though the device won't be able to get up close to planets in our solar system, shots of our Moon are possible and the telescope ships with a ND filter for Sun captures too. New Atlas, 21 Nov. 2025 All of those spacecraft craning their necks to track a single object on command from Earth amount to nothing short of a sort of cosmic infrastructure, built and deployed by humans throughout their local solar system. Jeffrey Kluger, Time, 20 Nov. 2025 The habitable zone provides a useful guide to search for signs of life on exoplanets – planets outside our solar system orbiting other stars. Morgan Underwood, The Conversation, 19 Nov. 2025 See All Example Sentences for solar system

Word History

First Known Use

circa 1704, in the meaning defined above

Time Traveler
The first known use of solar system was circa 1704

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Cite this Entry

“Solar system.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/solar%20system. Accessed 26 Nov. 2025.

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

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