On January 3, the Sun unleashed a powerful X1.2 solar flare, the first one in 2025, causing radio blackouts in parts of South ...

Solar flares are classified on a 4-class scale ... M-class flares, and then by C-class and the bottom class, B. Each letter ...

A powerful X1.8 solar flare erupted on January 4, 2025, and was recorded at its peak—7:48 a.m. ET—by NOAA’s Solar Ultraviolet ...

but ten times smaller or weaker than C-class flares. Solar observatories can see these flares, but they don't interfere with our satellites. C-class flares are small, with few noticeable ...

New study reveals the potential for advance warning of powerful solar flares from the Sun, providing crucial hours to protect ...

C, M, and X classes) of solar flares during different solar cycle phases from 1996 to 2019 covering the solar cycles 23 and 24. During this period, a total of 19,126 solar flares were observed ...

Solar flares are divided into five classes according to their X-ray strength: the smallest ones are A-class, followed by B, C, M and X. A0.0 class is equal to the radiation energy found in the ...