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One of the most powerful flares in our galaxy erupts from star next door


One of the most powerful flares in our galaxy erupts from star next door
CNET
2 hrs ago
Eric Mack
© Provided by CNET
Artist s conception of a violent flare erupting from the star Proxima Centauri. Credit: NRAO/S. Dagnello
Astronomers around the world have spotted one of the most powerful stellar flares ever seen in our galaxy exploding off Proxima Centauri, our nearest neighboring star. 
The star went from normal to 14,000 times brighter when seen in ultraviolet wavelengths over the span of a few seconds, explains astrophysics assistant professor Meredith MacGregor of the University of Colorado-Boulder, in a statement. MacGregor also led a study on the record-breaking event that was published Wednesday in The Astrophysical Journal Letters. ....

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Monster flare from Proxima Centauri dwarfs any ever seen from the Sun – Astronomy Now


An artist’s impression of a titanic flare erupting from Proxima Centauri in 2019. The explosive outburst was witnessed by nine observatories across the electromagnetic spectrum. Image: NRAO/S. Dagnello
Astronomers monitoring Proxima Centauri, the nearest star to Earth’s solar system, have spotted the most powerful flare ever seen erupting from the red dwarf, a titanic outburst lasting just seven seconds that generated 100 times more power than any known flare from the Sun.
“Stars like Proxima Centauri look different from our sun, and they behave differently too,” said Parke Loyd, a postdoc at Arizona State University and a co-author of a recent paper in ....

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