"The Sun is experiencing a resurgence of strong flare activity, last observed in mid-October and interrupted for two weeks," the scientists' publication states. It notes that on Sunday, November 2, from 02:26 to 02:37 Riga time, an M1.0 flare was observed on the eastern edge of the Sun, classified as the fourth level of activity on the 5-level scale used in solar physics, and is a precursor to a surge in solar activity that may last from November 3 to 9. In October, a very large explosion was reported on the far side of the celestial body.