solar wind

noun

: 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
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
To better understand how solar wind energy interacts with Mars’ atmosphere and magnetic environment, and how that might have altered the planet's surface, NASA and the University of California, Berkeley's Space Sciences Laboratory are sending twin orbiters to the Red Planet. Matthew Glasser, ABC News, 8 Nov. 2025 The northern lights, or aurora borealis, are waves of light created when the solar wind strikes the atmosphere, creating a display of moving lights in the night sky. Jenna Prestininzi, Freep.com, 7 Nov. 2025 The overnight storm was likely triggered by a glancing CME arrival that combined with lingering effects from a high-speed solar wind stream, according to NOAA's Space Weather Prediction Center (SWPC). Daisy Dobrijevic, Space.com, 6 Nov. 2025 But in 2007, a detailed analysis demonstrated that Earth’s magnetic field actually, despite these limitations, does a remarkable job of shielding the Moon from the solar wind. Big Think, 6 Nov. 2025 See All Example Sentences for solar wind

Word History

First Known Use

1958, in the meaning defined above

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

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Cite this Entry

“Solar wind.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/solar%20wind. Accessed 11 Nov. 2025.

Kids Definition

solar wind

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

More from Merriam-Webster on solar wind

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