Solar Activity

The Sun!

Sun's layers

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Sun Flare

A sudden flash of brightness observed near the Sun's surface. It involves a very broad spectrum of emissions, requiring an energy release. The flare ejects clouds of electrons, ions, and atoms through the corona of the sun into space. It affects all layers of the solar atmosphere when the plasma medium is heated to tens of millions of Kelvin.
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Aurora

Sometimes referred to as a polar light, is a natural light display in the sky, predominantly seen in the high latitude (Artic and Antarctic). Auroras are produced when the magnetosphere Is sufficiently disturbed by the solar wind that the trajectories of charged particles in both solar wind and magnetospheric plasma.