NASA’s Sun Watching Observatory Sees Two Powerful Solar Flares
Sep 7, 2017 by Sergio Prostak
Solar flares are brief, enormous outbursts of electromagnetic radiation from the Sun lasting from minutes to hours. They produce enhanced emission in all wavelengths across the electromagnetic spectrum, including radio, optical, UV, hard and soft X-rays, and gamma-rays.
http://www.sci-news.com/astronomy/nasas-sdo-two-powerful-solar-flares-05201.html
