solar wind


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

Luckily for us, solar wind within our solar system sweeps away all the grease in our immediate neighborhood. Jason Daley, Smithsonian, "Our Galaxy Is Really Greasy and Smells Like Moth Balls," 28 June 2018 Others have come up with more conventional ideas, including NASA, which proposed launching an enormous magnetic shield into space to protect the planet from solar winds in a 2017 paper. Chris Ciaccia, Fox News, "How Buzz Aldrin wants to make Mars habitable," 28 June 2018 Mapping changes in Saturn’s magnetosphere can tell us a lot about the solar wind, a critical component of space weather that effects probes, satellites and astronauts alike. Joe Pappalardo, Popular Mechanics, "Saturn and Its Moon Enceladus Talk To Each Other. The Sound Is Perfectly Cosmic and Eerie.," 10 July 2018 The Parker Probe, named after astrophysicist Eugene Parker, 91, who in the mid-1950s first developed a theory of solar winds, is expected to come within 3.8 million miles. Marco Santana,, "Parker Solar Probe preview postponed due to tubing leak, NASA says," 13 July 2018 But scientists recently learned that collisions between particles of the solar wind and stray particles of Earth's atmosphere produce low energy x-rays that light up the magnetosphere. Dennis Normile, Science | AAAS, "New China space missions will watch for colliding black holes, solar blasts," 11 July 2018 Every so often, particles within the corona get super heated and shoot out from the Sun in what’s known as solar wind. Loren Grush, The Verge, "The NASA spacecraft that will journey to the Sun just got its super deluxe heat shield," 8 July 2018 Helium-3 is rarely found on Earth, which is protected from solar winds by its magnetic field. Kathleen Hunter,, "Travel Ban Win Could Embolden Trump on Border," 27 June 2018 This new source of oxygen created the ozone layer, buffering the planet from ultraviolet radiation and solar winds. Jay Bennett, Popular Mechanics, "Martian Fossils Could Be Found Near Long-Buried Hydrothermal Vents," 26 Dec. 2017

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.

See More

First Known Use of solar wind

1958, in the meaning defined above

Keep scrolling for more

Learn More about solar wind

Share solar wind

Dictionary Entries near solar wind

solar tower

solar trap

solar type

solar wind


solar year


Statistics for solar wind

Last Updated

25 Aug 2018

Look-up Popularity

Time Traveler for solar wind

The first known use of solar wind was in 1958

See more words from the same year

More from Merriam-Webster on solar wind

See words that rhyme with solar wind Encyclopedia article about solar wind

Comments on solar wind

What made you want to look up solar wind? Please tell us where you read or heard it (including the quote, if possible).


a magnificent or impressive array

Get Word of the Day daily email!

Test Your Vocabulary

Name that Food Quiz

True or False

Test your knowledge - and maybe learn something along the way.


Test Your Knowledge - and learn some interesting things along the way.


Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!