solar system


: 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 Gradually, the planet may have slipped into a more stable twirl that’s at odds with the rest of its peers in the solar system. Shi En Kim, Smithsonian Magazine, 14 Feb. 2024 And this newfound ocean, against all expectations, appears to be a proverbial newborn on the timescale of the solar system. Robin George Andrews, Scientific American, 7 Feb. 2024 The findings mark another step forward in astronomers' mission to understand what atmospheric conditions are needed to sustain life and further explore the characteristics of exoplanets beyond our solar system, NASA said. Leah Sarnoff, ABC News, 5 Feb. 2024 Considering our solar system’s position toward the edge of the Milky Way, the soft swath of light visible to the naked eye represents just a portion of the galaxy. Brian Blomster -, Sacramento Bee, 30 Jan. 2024 There’s The Dish, used to communicate with spacecraft such as the Voyager missions to the outer reaches of our solar system, and surrounded by a 3.5 mile recreational trail just west of Stanford University. Kate Bradshaw, The Mercury News, 29 Jan. 2024 Overall, the Hera mission aims to gather more data on the best way to protect Earth from rogue asteroids and understand more about solar system formation. Elizabeth Gamillo, Discover Magazine, 15 Jan. 2024 Look to the east at nightfall to spot Jupiter, the largest planet in the solar system. Lisa M. Krieger, The Mercury News, 23 Jan. 2024 Observers will be able to either begin a journey through the Earth's solar system and move outward into the universe, or start with the Big Bang theory model for science's estimate of the earliest development of the universe 13.7 billion years ago and move forward to present day. Eula Calahan , Micah Farmer,, 23 Jan. 2024 See More

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'solar system.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History

First Known Use

circa 1704, in the meaning defined above

Time Traveler
The first known use of solar system was circa 1704

Dictionary Entries Near solar system

Cite this Entry

“Solar system.” Dictionary, Merriam-Webster, Accessed 23 Feb. 2024.

Kids Definition

solar system

: 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!