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

That may not be big in an absolute sense, but for the solar system, that's huge. —Paul Sutter, Space.com, 17 Mar. 2025

This is the conclusion of a team of researchers from Keele University, England, who calculated the rate of supernova explosions in the vicinity of our solar system. —David Faris, Newsweek, 17 Mar. 2025

Even in the inner solar system, spacecraft such as lunar or Mars rovers need alternative power sources. —Benjamin Roulston, The Conversation, 14 Mar. 2025

Friday, March 14-Saturday, March 15: Venus As A Crescent Just after sunset, look low in the western sky to see the two innermost planets of the solar system — Venus and Mercury. —Jamie Carter, Forbes, 14 Mar. 2025

Word History

First Known Use

circa 1704, in the meaning defined above

Rhymes for solar system

• cryptosystem
• ecosystem
• intersystem
• multisystem
• photosystem
• subsystem

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