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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
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
SpaceX launched an unpiloted Dragon cargo ship Monday evening, an election eve flight to deliver three tons of crew supplies, science gear and other equipment to the International Space Station, including an unusual wooden satellite, a solar wind monitor and holiday fare for the lab's crew.
—William Harwood, CBS News, 4 Nov. 2024
Most of the time, Earth’s magnetic field can rebuff and deflect the solar wind.
—Byhannah Richter, science.org, 31 Oct. 2024
Inside the heliosphere, space is dominated by particles of the solar wind, while outside of it, cosmic rays reign.
—Meghan Bartels, Scientific American, 14 June 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 Nov. 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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