Translated with AI from the Russian original.

Three class M flares, the second most powerful, occurred on the Sun. This was reported on April 29 by the Institute of Applied Geophysics.

According to the agency, the first flare occurred around 8:00 AM Moscow time. Two more were recorded during the day: at 13:02 and 13:57 in the X-ray range in active region number 4078. The first of these - class M1.3 - lasted 33 minutes, the second - M1.7 - lasted 25 minutes.

Class M refers to moderately powerful flares capable of causing magnetic storms and radio interference on Earth.

Read more on the topic:

Several magnetic storms are expected on Earth in May 2025: forecast by Russian astronomers

A powerful near-top class M flare occurred on the Sun

Magnetic storms "on the doorstep": a geostorm will hit Earth from April 25 to 27

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