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 Sign up here to receive in your inbox the next edition of Wonder Theory, brought to you by CNN Space and Science writer Ashley Strickland, who finds wonder in planets beyond our solar system and discoveries from the ancient world. Ashley Strickland, CNN, "Apollo 11 legend dies and 5 other top space and science stories this week," 1 May 2021 If so, May 2021 presents your best month this year for spotting the planet Mercury – the solar system's innermost planet, sometimes called the mostelusiveplanet – in the evening sky. Todd Nelson, Star Tribune, "More June 1 Than May 1 Today," 30 Apr. 2021 Robotic probes launched by NASA, the European Space Agency (ESA), and others are gathering information across the solar system. Alan Taylor, The Atlantic, "Scenes From Off-World," 29 Apr. 2021 It’s those veggies that will eventually help mankind explore the solar system and perhaps even beyond. Mike Wehner, BGR, "The International Space Station is surprisingly lush," 29 Apr. 2021 The names of Octavia Butler, an award-winning writer, and Jakob van Zyl, a brilliant engineer and manager who helped send spacecraft across the solar system, are now part of the Perseverance rover’s mission. USA Today, "NASA/JPL named two sites on Mars after an author and an engineer. Here’s why you should know them, too.," 10 Apr. 2021 So why not explore the solar system and interstellar space using CubeSat solar sails? Jamie Carter, Forbes, "NASA Teases A Mars Base Made Of Mushrooms, A Swarm Of Spacecraft To Venus And A Giant Dish On The Moon," 9 Apr. 2021 The library for the older children was solar system-themed, which excited the students. Kyla L. Wright,, "'Fly Doctor Fly' children's book propels local author's push to give back," 31 Mar. 2021 But for now, the latter interpretation remains a hypothesis suggested by evidence that this object did not behave like a comet or an asteroid from the solar system. Avi Loeb, Scientific American, "How to Photograph a (Possible) Alien Artifact," 22 Mar. 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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Statistics for solar system

Last Updated

4 May 2021

Cite this Entry

“Solar system.” Dictionary, Merriam-Webster, Accessed 14 May. 2021.

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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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