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.
Besides Earth, Titan is the only planetary body in our solar system with liquid flowing on the surface. Julian Dossett, Space.com, 22 Apr. 2025 In our solar system, Earth is one of only three planets, along with Mars and Venus, that fall within the habitable zone. Eric Lagatta, USA Today, 19 Apr. 2025 This could dramatically lessen the timeline and cost of missions across our solar system. Margherita Bassi, Smithsonian Magazine, 18 Apr. 2025 While such worlds don't exist in our own solar system, they are thought to be common in the Milky Way. Joe Edwards, MSNBC Newsweek, 17 Apr. 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

Browse Nearby Words

Cite this Entry

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

Last Updated: - Updated example sentences
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!