solar wind

noun

Definition of 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

These craft have been tracking the ongoing loss of gasses from Mars' atmosphere to space as the solar wind and other radiation slam into the planet. John Timmer, Ars Technica, "Sorry, Elon: Nuking Mars’ icecaps won’t geoengineer planet," 31 July 2018 The sun's solar wind—plasma—maintains this bubble against the pressures of helium and hydrogen gasses from the Milky Way. David Grossman, Popular Mechanics, "Voyager 2 Is Getting Close to Interstellar Space," 5 Oct. 2018 Scientists are exploring, for instance, where exactly its pretty glow comes from: auroras are usually caused by a planet’s magnetic field interacting with solar particles from solar winds. Laura Yan, Popular Mechanics, "This Massive "Rogue" Planet is Our Solar Neighbor," 11 Aug. 2018 The probe's instruments showed the band of the Milky Way and picked up evidence of the solar wind, the constant stream of particles emanating from the sun. Elizabeth Howell, Space.com, "Here Comes the Sun! Parker Solar Probe Instruments See 'First Light'," 25 Sep. 2018 Instruments on board Parker will study magnetic fields, plasma and energetic particles as well as imaging solar wind, a flow of ionized gases that stream past the Earth at more than a million miles an hour. James Rogers, Fox News, "NASA's Parker Solar Probe blasts off on epic journey to 'touch the Sun'," 12 Aug. 2018 When the Sun emits solar material—for instance, during a solar flare or as part of the solar wind—those particles fly through space and hit the Earth’s magnetosphere. Avery Thompson, Popular Mechanics, "A Group of Scientists Want to Launch a Satellite to Make an Artificial Aurora," 29 Oct. 2018 The Chang’e 4 also aims to conduct studies involving the impact of solar wind on the lunar landscape, radio-frequency tests from the basin using a relay satellite, and an investigation into the presence of water at the poles. Jill Kiedaisch, Popular Mechanics, "Seeds Have Sprouted on the Moon for the Very First Time," 15 Jan. 2019 Eugene Parker first theorized the existence of the solar wind. James Rogers, Fox News, "NASA's Parker Solar Probe blasts off on epic journey to 'touch the Sun'," 12 Aug. 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'solar wind.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of solar wind

1958, in the meaning defined above

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Statistics for solar wind

Last Updated

21 Apr 2019

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Time Traveler for solar wind

The first known use of solar wind was in 1958

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