solar wind


: plasma continuously ejected from the sun's surface into and through interplanetary space

Examples of solar wind in a Sentence

Recent Examples on the Web Jupiter has an aurora that’s fueled by the solar wind and also sparked by three of its moons: Io, Europa and Ganymede. Phil Plait, Scientific American, 19 Jan. 2024 When the solar wind hits oxygen, for example, red or green light is created; a collision with nitrogen results in greens and purples. Ashley Stimpson, Popular Mechanics, 12 July 2023 The robotic Genesis mission ended with an uncontrolled impact in Utah, rupturing the capsule bringing back microscopic particles collected from the solar wind. Stephen Clark, Ars Technica, 6 Dec. 2023 Piani points out that roughly equal parts solar wind, comets, water bubbling up from the mantle and chondrites could be combined to match Earth's isotope balance. Joanna Thompson, Scientific American, 25 June 2023 The new data also gives insight into another enigma that has stymied astrophysicists: How the solar wind accelerates to supersonic speeds. WIRED, 20 Sep. 2023 These solar winds blowing from coronal holes reach speeds of up to 1,790,000 miles hour. Tom Yulsman, Discover Magazine, 20 Dec. 2023 The spacecraft is equipped with seven payloads to study the sun’s corona, chromosphere, photosphere and solar wind, the Indian Space Research Organization said. Ashok Sharma and Aijaz Hussain, Chicago Tribune, 2 Sep. 2023 The Genesis mission brought back solar wind particles in 2004. WIRED, 22 Sep. 2023 See More

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'solar wind.' 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

1958, in the meaning defined above

Time Traveler
The first known use of solar wind was in 1958

Dictionary Entries Near solar wind

Cite this Entry

“Solar wind.” Dictionary, Merriam-Webster, Accessed 25 Feb. 2024.

Kids Definition

solar wind

: the continuous radiation of charged particles from the sun's surface

More from Merriam-Webster on solar wind

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