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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Swift receives more annual observing requests than any NASA facility except the James Webb Space Telescope, and its scientific portfolio is broad, extending to comets and planets in other solar systems. Anna Y. Q. Ho, Scientific American, 29 June 2026 If our solar system were centered on Antares, the orbit of the Earth would easily fit within this star. Joe Rao, Space.com, 26 June 2026 Given its distance of 3,000 light-years from the solar system, what is about to happen actually occurred 3,000 years ago, and the light is about to reach Earth. Jamie Carter, Forbes.com, 25 June 2026 However, for a more massive supermassive black hole, such as M87*, the entirety of the solar system would fit within the event horizon. Mary Ogborn, The Conversation, 25 June 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 5 Jul. 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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