1. Solar Flares are tremendous explosions of energy that occur on the Sun’s surface when the energy which is stored in magnetic fields on the Sun is suddenly released.
2. In a matter of few minutes, solar flares intensely heat materials to many million degrees and produce a burst of radiation that varies across the electromagnetic spectrum!
3. Solar flares are classified according to their brightness in the x-ray wavelength.
4. The biggest most massive solar flares are known as X-Class flares and they are capable of triggering radio storms across the upper atmosphere and radio blackouts the world over.
5. The last time the Earth was affected by an X-Class flare was in 1859. This solar flare was so intense; it set telegraph systems on fire and was visible to the naked eye! Incidentally, it was also the first solar flare to be observed!
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