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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Nysa belongs to a class of asteroids believed to have formed closer to the inner solar system and therefore may have a similar composition to the building blocks that would go on to form the inner planets. Brett Tingley, Space.com, 3 Aug. 2026 Scientists hope the mission will improve understanding of solar prominences, the million-degree temperatures found within the corona, and how solar material develops into the solar wind that travels throughout the solar system. Jamie Carter, Forbes.com, 1 Aug. 2026 Instead of mortgages, the underlying assets are future customer payments for solar systems. ABC News, 31 July 2026 The solar system’s largest gas giant and its innermost planet will resemble a close pair of bright stars in the morning twilight. Michael D'estries, Travel + Leisure, 29 July 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 7 Aug. 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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