Solar flares are violent explosions on the sun that fling out high-energy charged particles, sometimes toward Earth, where they disrupt communications and endanger satellites and astronauts.
![](https://scx1.b-cdn.net/csz/news/tmb/2020/canrippleson.gif)
Source:
https://phys.org/news/2020-09-ripples-sun-solar-flares.html