solar flare


Definition of solar flare 

: 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

In October 2012 and April 2013, solar flares sent beams of electrons shooting into the outer reaches of the solar system. Sarah Fecht, Popular Mechanics, "NASA: Yes! Voyager 1 Has Reached Interstellar Space," 12 Sep. 2013 And a solar flare that started a low-level geomagnetic storm also could lead to the northern lights over parts of Michigan. Susan Selasky And Emma Tomsich, Detroit Free Press, "Strawberry moon, Saturn to light up sky tonight," 27 June 2018 What if an asteroid takes out a communications satellite, or a solar flare interrupts a transmission? Avery Thompson, Popular Mechanics, "NASA Brings Space Internet Tech to the ISS," 27 June 2016 That's because the earth's protective shield is weaker above 30,000 feet, and exposure is even higher for flights over the North Pole and during solar flares. Barbara Peterson, Condé Nast Traveler, "How Your Plane Can Make You Sick," 20 Mar. 2018 The Solar Forecasting Center issued a bulletin warning that severe solar flares were incoming, and that bulletin managed to reach a commanding officer in time to avert action against the Soviets. Avery Thompson, Popular Mechanics, "How a Solar Flare Almost Triggered a Nuclear War in 1967," 10 Aug. 2016 Falcke says the team will study solar flares, the aurora of Jupiter, and the galaxy's radio emissions. Daniel Clery, Science | AAAS, "China’s moon mission will probe cosmic dark ages," 16 May 2018 New research shows that a single phenomena might be behind all eruptions on the sun, including solar flares. David Grossman, Popular Mechanics, "New Model Shows Just How Strong Solar Flares Could Get," 8 Feb. 2018 The Parker probe will collect data that allow scientists to better understand and predict outbreaks of solar flares and space weather that wreak havoc on communications signals here on Earth. Eric Niiler, WIRED, "NASA's New Parker Probe Will Skim the Sun's Surface," 28 Mar. 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'solar flare.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of solar flare

1938, in the meaning defined above

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Last Updated

29 Sep 2018

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The first known use of solar flare was in 1938

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