This article has been reviewed according to Science X's editorial process and policies. Editors have highlighted the following attributes while ensuring the content's credibility: Many topics in astronomy and astrophysics are esoteric. There's not much of a relationship between something like the supermassive black hole at the center of the Milky Way and the life of a regular person going about their business.
But the sun is different. Its presence in our lives is inescapable. Its behavior, especially its flaring, has an impact.
Solar flares make themselves known on Earth when their accompanying coronal mass ejections (CME) strike Earth and create mesmerizing auroras. But they can be more than beautiful manifestations of light and magnetic fields. They can pack a punch, especially when they're powerful.
Astrophysicists classify solar flares by their X-ray brightness. From least energetic to most energetic, they're placed in categories A, B, C, M and X. Each letter indicates a tenfold increase in energy output.
A solar flare is a kind of explosion, and solar flares are the most powerful explosions in the solar system. They release an enormous amount of energy, equivalent to the simultaneous detonation of millions or even billions of hydrogen bombs. They dwarf supervolcano eruptions on Earth and even the huge asteroid that ended the dinosaurs.
They're caused by the sun's powerful magnetic fields, which are constantly twisted and rotated. Their specific trigger is reconnection, when the magnetic fields can no longer put up with the twisting and rotating and finally snap. They reconnect into a more straightforward and stable configuration.
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