solar system

noun

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

By examining and mapping the interior of Mars, scientists hope to learn why the rocky planets in our solar system turned out so different and why Earth became a haven for life. Marcia Dunn, The Seattle Times, "Mars touchdown: NASA spacecraft survives supersonic plunge," 28 Nov. 2018 Our solar system is in constant motion, with all eight planets — and dwarf planet Pluto — orbiting the sun. Mindy Weisberger, Fox News, "Why Mars appears to be moving backward," 16 July 2018 All Envy campers come prewired for solar, and a portable 100-watt solar system is available at an additional cost. Megan Barber, Curbed, "Pop-top camper van fits in your garage and sleeps a family," 12 July 2018 But this doesn’t happen with the biggest, baddest fire in the solar system, our sun. Brian Resnick, Vox, "NASA is shooting a spaceship at the sun. It might help us solve a huge mystery.," 8 Aug. 2018 In October 2017, astronomers operating the Pan-STARRS1 telescope in Maui found a bizarre cigar-shaped rock blazing its way through our solar system. Brian Resnick, Vox, "Oumuamua is the only interstellar object we’ve ever seen in our solar system. What is it?," 6 Nov. 2018 When our solar system is discovered and attacked by an advanced civilization — not with a projectile, but with a device that transforms three-dimensional space into two dimensions. Verge Staff, The Verge, "Smart scares for smart people," 31 Oct. 2018 This vivid, radiant star is the center of our solar system, and likewise, is the epicenter of our astrological chart. Allure, "How the Sun's Position In Your Birth Chart Affects Your Zodiac Sign," 14 Aug. 2018 Our solar system has a spread of about 7 degrees, but new analyses suggest that this number is more dramatic than average. Meghan Bartels, Space.com, "New NASA Planet Hunter May Find 10,000 Alien Worlds in Just Two Years," 8 Aug. 2018

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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Last Updated

14 Dec 2018

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Time Traveler for solar system

The first known use of solar system was circa 1704

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More Definitions for solar system

solar system

noun

English Language Learners Definition of solar system

the 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

noun

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

Britannica.com: Encyclopedia article about solar system

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