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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
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.
Our solar system is an example of the end state of this process, with just the asteroid belt, the Kuiper Belt and faint zodiacal dust remaining. Samantha Mathewson, Space.com, 5 Dec. 2025 The discoveries show just how far the search for worlds beyond our solar system has progressed, says Rebecca Charbonneau, a historian of science at the American Institute of Physics. Claire Cameron, Scientific American, 4 Dec. 2025 Another group of researchers at NASA’s Johnson Space Center in Houston took a look at dust from stars present in the sample that are older than our own solar system. Eric Lagatta, USA Today, 4 Dec. 2025 If true, the evidence detailed in their pre-print study may force researchers to reconsider how comets form–not only in deep space, but our own solar system. Andrew Paul, Popular Science, 3 Dec. 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 11 Dec. 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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