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Reply To: Alphabet Game – RAIN

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#43390
Dorothy Donn
Participant
    • 202
    • Enthusiast

    X =  X-Ray Flare Class
    In solar-terrestrial terms, rank of a flare based on its X-ray energy output. Flares are classified by the order of magnitude of the peak burst intensity (I) measured at the earth in the 1 to 8 angstrom band as follows:

     

     

     

     

    Join us for our next Master class – Shadow Stories,
     on November 3rd