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
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Reveals 'Fiendish' Dust Devils Eating Each Other on Mars The explosion, however, will not take place for another 23 billion years, and despite being so close to our solar system, the explosion will not be a threat to Earth. John W. Dean, MSNBC Newsweek, 7 Apr. 2025 Our solar system has eight major planets and has been around for more than four billion years. Phil Plait, Scientific American, 3 Apr. 2025 Webb has peered into the early universe, scoped out distant galaxies and stars and even studied the planets in our solar system. Amanda Kooser, Forbes.com, 2 Apr. 2025 More about Katrina Miller What’s Up in Space and Astronomy Keep track of things going on in our solar system and all around the universe. Katrina Miller, New York Times, 27 Mar. 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

Browse Nearby Words

Cite this Entry

“Solar system.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/solar%20system. Accessed 16 Apr. 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

Last Updated: - Updated example sentences
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!