article_snippet: X-class denotes the most intense flares, while the number provides more information about the number strength.
article_snippet: An X2 is twice as intense as an X1, an X3 is three times as intense, and so on.
article_snippet: A positive aspect, from an aesthetic point of view, is that the auroras are enhanced.
article_snippet: Radiation is emitted across virtually the entire electromagnetic spectrum, from radio waves at the long wavelength end, through optical emission to x-rays and gamma rays at the short wavelength end.
article_snippet: The amount of energy released is the equivalent of millions of 100-megaton hydrogen bombs exploding at the same time.
article_snippet: The former are the flash of light from the sun, while the latter are the actual emission of material that we often see as 'loops' coming from the surface.
article_snippet: While the two often accompany each other, the relationship between the two often accompany each other is not entirely understood.