Solar flares, depending on the X-ray power, are divided into five classes: A, B, C, M and X. The minimum class A0.0 corresponds to the radiation power in the Earth orbit of 10 nanowatts per square ...
Sunspot AR3767 erupted with a X1.7-class solar flare, followed by an X1.1-class flare from sunspot AR3780. NASA's Solar ...
Sunspot AR3256 erupted with an X1.2-class solar flare. NASA's Solar Dynamics Observatory captured the fireworks in multiple wavelengths. Credit: Space.com | footage courtesy: NASA/SDO | edited by Stev ...
On the night of October 17–18, the Sun unleashed two moderate solar flares classified as M-class, according to the Russian ...
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