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

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 As scientific experience with Voyager 1 in 2012 showed, leaving the heliopause would make for a drastic reduction in solar wind detected by the probe. David Grossman, Popular Mechanics, "Voyager 2 Enters Interstellar Space," 10 Dec. 2018 If the mysterious light does in fact come from a hydrogen wall, scientists believe that the wall could be formed by interstellar winds encountering our local solar wind. David Grossman, Popular Mechanics, "New Horizons Detects Possible Hydrogen Wall at the Edge of the Solar System," 13 Aug. 2018 The memory card also contains photos of Dr. Parker and his groundbreaking 1958 scientific paper on solar wind. James Rogers, Fox News, "NASA's Parker Solar Probe blasts off on epic journey to 'touch the Sun'," 12 Aug. 2018 This region, also known as a coronal hole, allows charged particles to escape and flow toward Earth in an increased solar wind. Samantha Mathewson, Space.com, "'Hole' in the Sun Spawns Powerful Solar Wind; Could Amp Up Auroras," 10 Apr. 2018 Images from the Solar Dynamics Observatory identify a dark patch on the sun's surface as the location from which the solar wind originated, according to Spaceweather.com. Samantha Mathewson, Space.com, "'Hole' in the Sun Spawns Powerful Solar Wind; Could Amp Up Auroras," 10 Apr. 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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solas

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Last Updated

10 Feb 2019

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Time Traveler for solar wind

The first known use of solar wind was in 1958

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