A solar flare is an intense burst of radiation coming from the release of magnetic energy associated with sunspots.
Interesting facts about solar flares that are hotter than the Sun's core - Interesting Engineering
Will the Next Space-Weather Season Be Stormy or Fair? - The New
AT&T outage: Did a solar flare cause it?
We Just had the Strongest Solar Flare in the Current Solar Cycle - Universe Today
What Would Happen if a Solar Storm Hit Earth?
X-rays offer early warning for solar flares
Could a solar storm ever destroy Earth?
What to expect from the peak of Solar Cycle 25
Solar flares explode with huge energy thanks to a simple magnetic phenomenon
Huge solar flare ejected from sun could hit Earth in days, mess with power grid
Last night's solar flare did not cause the cell phone outage
What Are Solar Flares?
What is a solar flare? Solar Storm expected to hit Earth soon