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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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
First, the crew will assess their ability to protect themselves from high radiation events like solar flares.
—Richard Tribou, The Orlando Sentinel, 1 Apr. 2026
And rightfully so—just hours after Glaze’s remark, the sun unleashed an X-class solar flare, the most powerful type known.
—Meghan Bartels, Scientific American, 31 Mar. 2026
But solar flares and coronal mass ejections (CMEs) — huge eruptions of solar plasma — could be a threat to Artemis astronauts venturing far beyond our planet, as could cosmic rays, which originate far beyond our solar system.
—Leonard David, Space.com, 30 Mar. 2026
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Valerie Mesa, PEOPLE, 1 Apr. 2026
First, the crew will assess their ability to protect themselves from high radiation events like solar flares.
—Richard Tribou, The Orlando Sentinel, 1 Apr. 2026
And rightfully so—just hours after Glaze’s remark, the sun unleashed an X-class solar flare, the most powerful type known.
—Meghan Bartels, Scientific American, 31 Mar. 2026
But solar flares and coronal mass ejections (CMEs) — huge eruptions of solar plasma — could be a threat to Artemis astronauts venturing far beyond our planet, as could cosmic rays, which originate far beyond our solar system.
—Leonard David, Space.com, 30 Mar. 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 6 Apr. 2026.
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