solar system


Definition of 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 Here’s what happens on the longest night of the year—in the solar system and across different cultures here on Earth. Reece Rogers, Wired, 19 Dec. 2021 Surveyor mission, a project that hopes to study asteroids and comets in our solar system. Lindsey Botts, The Arizona Republic, 1 Jan. 2022 That means any definition based on our solar system won’t be relevant to most of the others. NBC News, 30 Dec. 2021 Jupiter is unlike the eight other planets in our solar system. María Luisa Paúl, Anchorage Daily News, 19 Dec. 2021 Our solar system's largest planet is flanked on both sides by a massive cluster of asteroids. Jennifer Leman, Popular Mechanics, 15 Oct. 2021 To understand how these two rocky planets turned out so differently, a team of astrophysicists decided to try to simulate the beginning, when our solar system's planets formed 4.5 billion years ago. Ashley Strickland, CNN, 13 Oct. 2021 Each spacecraft will spend about four days in the vicinity of the solar system's largest planet. Mark Fischetti, Scientific American, 21 Sep. 2021 The Webb will examine all of cosmic history, billions of years of it, astronomers say — from the first stars to life in the solar system. New York Times, 25 Dec. 2021

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'solar system.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of solar system

circa 1704, in the meaning defined above

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Time Traveler for solar system

Time Traveler

The first known use of solar system was circa 1704

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Dictionary Entries Near solar system

solar still

solar system

solar telegraph

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Statistics for solar system

Last Updated

16 Jan 2022

Cite this Entry

“Solar system.” Dictionary, Merriam-Webster, Accessed 27 Jan. 2022.

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More Definitions for solar system

solar system


English Language Learners Definition of solar system

: our sun and the planets that move around it
: a star other than our sun and the planets that move around it

solar system


Kids Definition of solar system

: the sun and the planets, asteroids, comets, and meteors that revolve around it

More from Merriam-Webster on solar system

Britannica English: Translation of solar system for Arabic Speakers Encyclopedia article about solar system


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