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 Observations from Chandra have also revealed fluorescence on planets in the solar system, and where mysterious dark matter lurks in a cluster of galaxies. Briley Lewis, Popular Science, 25 Apr. 2024 The spacecraft observed Saturn’s rings in detail and discovered active volcanoes on Jupiter’s moon Io. Originally designed for a five-year mission within our solar system, both probes are still operational and chugging along through space, far beyond Pluto’s orbit. Will Sullivan, Smithsonian Magazine, 23 Apr. 2024 To answer that question, astronomers have increasingly turned to finding and studying exoplanets, which orbit stars outside our solar system. Eric Lagatta, USA TODAY, 22 Apr. 2024 Their exceptionally long life spans mean that both spacecraft have provided additional insights about our solar system and beyond after achieving their preliminary goals of flying by Jupiter, Saturn, Uranus and Neptune decades ago. Cnn.com Wire Service, The Mercury News, 22 Apr. 2024 Astronomers have been searching for evidence that Planet Nine exists for years Researchers have found more evidence that there is an unknown planet in our solar system. Becca Longmire, Peoplemag, 19 Apr. 2024 The next time Thatcher will enter the inner solar system will be around the year 2278, according to EarthSky. Sarah Kuta, Smithsonian Magazine, 12 Apr. 2024 Inside, there’s a museum curator and his office, an astronomy exhibit that comes with a telescope and 3-D solar system, and ancient artifacts abound. Alida Nugent, Peoplemag, 10 Apr. 2024 These giant explosions from the sun send energy, light, and particles throughout the solar system. John Tufts, The Indianapolis Star, 9 Apr. 2024

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.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/solar%20system. Accessed 1 May. 2024.

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

More from Merriam-Webster on solar system

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