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
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On May 7, an M2-class solar flare heralded the arrival of an active sunspot.
—
Jamie Carter, Forbes.com, 16 May 2026
These blackouts occur when intense X-ray and ultraviolet radiation from solar flares ionize Earth's upper atmosphere, interfering with high-frequency radio signals used by aviators, mariners and amateur radio operators.
—Daisy Dobrijevic, Space.com, 11 May 2026
As the sun releases solar flares, plasma particles shoot toward Earth.
—Janet Loehrke, USA Today, 16 Apr. 2026
Meanwhile, forecasters at NOAA’s Space Weather Prediction Center report generally low solar flare activity but note increasing solar wind speeds and magnetic disturbances that can help energize auroras.
—Valerie Mesa, PEOPLE, 1 Apr. 2026
See All Example Sentences for solar flare
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Jamie Carter, Forbes.com, 16 May 2026
These blackouts occur when intense X-ray and ultraviolet radiation from solar flares ionize Earth's upper atmosphere, interfering with high-frequency radio signals used by aviators, mariners and amateur radio operators.
—Daisy Dobrijevic, Space.com, 11 May 2026
As the sun releases solar flares, plasma particles shoot toward Earth.
—Janet Loehrke, USA Today, 16 Apr. 2026
Meanwhile, forecasters at NOAA’s Space Weather Prediction Center report generally low solar flare activity but note increasing solar wind speeds and magnetic disturbances that can help energize auroras.
—Valerie Mesa, PEOPLE, 1 Apr. 2026
See All Example Sentences for solar flare
Cite this Entry
“Solar flare.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/solar%20flare. Accessed 19 May. 2026.
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