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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Scientists want to assess the samples to determine the origins of the asteroid, which may be pieces of the moon sent into orbit by a giant impact, and provide insights into the wider evolution of the solar system. Andrew Jones, Space.com, 28 May 2025 Carlton Reid Based on 20 years of observations by NASA’s Hubble Space Telescope, new research sheds light on one of the solar system’s most mysterious planets. Ryan Waniata, Wired News, 27 May 2025 But why do Pluto and its fellow dwarf planets not enjoy the same status as the solar system’s eight regular planets? Jack Knudson, Discover Magazine, 23 May 2025 Asteroids are small, rocky masses left over from the formation of the solar system around 4.6 billion years ago. Soo Kim, MSNBC Newsweek, 22 May 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 2 Jun. 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

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