Translated with AI from the Russian original.
On Friday, January 3, the first class X flare of the highest class occurred on the Sun in 2025. This was reported by the Institute of Applied Geophysics.
On January 3, at 14:39 Moscow time, an X1.2 flare with a duration of 20 minutes was recorded in the X-ray range.
The last time two flares of this power (X1.1 and X1.5) were recorded was on December 30.
Depending on the power of X-ray radiation, solar flares are divided into five classes: A, B, C, M, and X. Class X flares are super-powerful; they can cause strong geomagnetic storms.
The minimum class A0.0 corresponds to a radiation power on Earth's orbit of 10 nW per 1 km². When moving to the next letter, the power increases by 10 times. As a rule, flares are accompanied by emissions of solar plasma, the clouds of which, reaching the Earth, can provoke magnetic storms.
Read materials on the topic:
A powerful flare close to class X - M9.4 was recorded on the Sun
A strong class M6.4 flare was recorded on the Sun
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