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.
Stargazers hoping to catch a glimpse of C/2025 R2 (SWAN) should read our roundups of the best binoculars and telescopes for viewing the night sky, while those looking to image the wanderer should read our guide to imaging a solar system comet with a DSLR camera. Anthony Wood, Space.com, 17 Oct. 2025 Similar craters are visible on other planets in our solar system, but the lunar craters are set apart. Eric Lagatta, USA Today, 16 Oct. 2025 The outermost atmospheric layer of the solar system’s gas giants is typically filled with light elements such as hydrogen and helium. Nola Taylor Tillman, Scientific American, 13 Oct. 2025 Our solar system is just under 30,000 light-years from the black hole. Mike Lynch, Twin Cities, 12 Oct. 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 19 Oct. 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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