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.
Northern lights, or Aurora Borealis, occur when solar activity — such as solar flares or coronal mass ejections — causes magnetic storms. Valerie Mesa, People.com, 17 Mar. 2025 In this extreme environment where spacecraft must withstand intense solar flares, radiation and temperature swings from hundreds of degrees below zero to hundreds of degrees above zero, engineers have developed innovative solutions to power some of the most remote and isolated space missions. Benjamin Roulston, The Conversation, 14 Mar. 2025 The Role Of ‘Solar Maximum’ Auroras are triggered by geomagnetic storms, which occur when heightened solar activity — such as solar flares or coronal mass ejections — send clouds charged particles toward Earth. Jamie Carter, Forbes, 12 Mar. 2025 The center monitors sunspots, solar flares and plasma emissions called coronal mass ejections that could impact the electrical grid, communication, satellites and more. Chad Murphy, The Enquirer, 31 Dec. 2024 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 26 Mar. 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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