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.
Blue Ghost is carrying 10 NASA experiments on board, including a drill to measure lunar heat flow, an instrument to collect rock samples and an X-ray imager to study how Earth's magnetic field is impacted by cosmic forces such as solar wind. Joe Hernandez, NPR, 2 Mar. 2025 The lander is carrying 10 NASA payloads with science objectives including studying the lunar regolith, or the moon's dusty surface, the lunar radiation environment and the solar wind. Andrew Jones, Space.com, 24 Feb. 2025 The same solar wind event sparked a previous G1 storm on Sunday. Julia Jacobo, ABC News, 13 Feb. 2025 Auroras are byproducts of the interaction between solar wind and the Earth’s magnetosphere, containing its magnetic field. Jack Knudson, Discover Magazine, 27 Jan. 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 12 Mar. 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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