solar flare

noun

: a sudden temporary outburst of energy from a small area of the sun's surface

called also flare

Examples of solar flare 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.
The most powerful reconnection events can liberate enough energy to produce solar flares and exploding magnetic filaments that result in CMEs. Keith Cooper, Space.com, 1 Apr. 2025 When amongst their many skilled mathematicians and engineers, NASA was unable to find a better way to forecast solar flares to protect astronauts and satellites in space and power grids on Earth, NASA turned to crowdsourcing. Sheila Callaham, Forbes.com, 30 Mar. 2025 The European Space Agency even says that one week of radiation on the ISS is one year's worth of exposure to radiation on Earth (depending on the number of solar flares and other sun phenomena that occur). Charlotte Phillipp, People.com, 18 Mar. 2025 Bursts of energy erupting from the Sun, like solar flares, can generate shocks in the solar wind current, leading to higher risks for geomagnetic storms. Ars Technica, 13 Mar. 2025 See All Example Sentences for solar flare

Word History

First Known Use

1938, in the meaning defined above

Time Traveler
The first known use of solar flare was in 1938

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Cite this Entry

“Solar flare.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/solar%20flare. Accessed 15 Apr. 2025.

Kids Definition

solar flare

noun
: a sudden temporary outburst of energy from a small area of the sun's surface

More from Merriam-Webster on solar flare

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