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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
During the equinoxes, Earth’s axis aligns perpendicularly to the sun-Earth line, creating ideal conditions for this reconnection between the solar wind and Earth’s magnetic field.
—Jamie Carter, Forbes, 5 Dec. 2024
According to modern science, the lights are caused by solar winds, what scientists would call disturbances in the Earth’s magnetosphere, and result in the heavenly show.
—Frank Witsil, Detroit Free Press, 11 Oct. 2024
Magnetospheres provide a protective bubble around planets with magnetic cores and magnetic fields, shielding them from the sun's harmful flow of gas (or plasma) streaming out in solar winds.
—Eric Lagatta, USA TODAY, 12 Nov. 2024
At this point, you’re left with radiation from the sun, solar wind particles that get blown off the sun, and maybe some tiny meteorites that pelt the debris time and time again, but the process of breaking something down at this point would take thousands of years.
—Sara Novak, Discover Magazine, 5 Nov. 2024
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Word History
First Known Use
1958, in the meaning defined above
Dictionary Entries Near solar wind
Cite this Entry
“Solar wind.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/solar%20wind. Accessed 21 Dec. 2024.
Kids Definition
solar wind
noun
: the continuous radiation of charged particles from the sun's surface
More from Merriam-Webster on solar wind
Britannica.com: Encyclopedia article about solar wind
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