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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Most of these sand-sized fragments in the solar system originate from comets – cold, icy objects from the outer reaches of the solar system. Patrick M. Shober, The Conversation, 10 Apr. 2026 For those willing to make the effort, the reward is a fleeting glimpse of a relic from the solar system's edge, revealed in the quietest moments of the day. Jamie Carter, Space.com, 10 Apr. 2026 That includes its Space Gallery, which allows for exploration of the Earth, sun, solar system and universe. Carlos Rico, San Diego Union-Tribune, 8 Apr. 2026 Lunar and planetary scientists can use the images to better understand our moon and solar system. Popular Science Team, Popular Science, 8 Apr. 2026 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 12 Apr. 2026.

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

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