On Tuesday morning, April 29, a flare of the penultimate power class M1.7 was recorded on the Sun. This was reported by the Solar Astronomy Laboratory of IKI and ISZF.
Scientists also noted seven medium-sized class C flares. The Sun had not emitted powerful flares for about a week, although before that they appeared almost every day.
This morning, a flare of level M1.7 was registered, which is considered strong, which indicates that the star is not completely "dead" at the moment. However, there are no signs of going into any more serious flare modes.
Depending on the power of X-ray radiation, solar flares are divided into five classes: A, B, C, M, and X. Class M flares cause minor radio interference on the daylight side of the Earth.
The minimum class A0.0 corresponds to a radiation power in Earth orbit of 10 nW per 1 m². When moving to the next letter, the power increases by a factor of 10. Flares are accompanied by emissions of solar plasma, the clouds of which can provoke magnetic storms on Earth.
Read materials on the topic:
Four powerful class M flares recorded on the Sun: there are risks of magnetic storms
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