The sun has unleashed its most powerful solar flare for around seven years.
The X6.3 class solar flare is the most powerful of the current solar cycle, designated solar cycle 25. The flare reached its peak activity at 5:34 p.m. EST (2234 GMT) on Thursday (Feb. 22), according to the National Oceanic and Atmospheric Administration (NOAA). This was the third solar flare in a 24-hour period from an active solar region on the sun known as AR 3590.
