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
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Stargazers hoping to get a closer look at the planets of the solar system should read our roundup of the best telescope deals available in 2025, along with our nightly skywatching guide that lists all of the top stargazing sights on display in November. Anthony Wood, Space.com, 5 Nov. 2025 Scientific research into the origins of the solar system, planetary-defence reconnaissance, and resource-prospecting. Kaif Shaikh, Interesting Engineering, 5 Nov. 2025 The Walkabout comes powered by a Victron electrical system supported by a 220-watt solar system upgradeable to 440 watts. New Atlas, 4 Nov. 2025 Goddard has been involved in all of the space agency’s moon rovers and has sent spacecraft to Jupiter and other planets in the solar system. Ella Nilsen, CNN Money, 4 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 8 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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