The Sun is still at it! Our star released another mid-level flare on Sept. 8, clocking in at M8.1. This is the sixth sizable flare from the same active region (AR 2673) since Sept. 4, including:
X-class denotes the most intense flares, followed by M-class, while the smallest flares are labeled as A-class (near background levels) with two more levels in between. Similar to the Richter scale for earthquakes, each of the five levels of letters represents a 10-fold increase in energy output.
Check for updates here: https://go.nasa.gov/2gN4L26
