Solar flares are intense bursts of radiation that are emitted from the Sun's surface. They are caused by sudden releases of energy stored in the Sun's magnetic field, and can release as much energy as millions of nuclear bombs. Solar flares are often associated with sunspots, which are areas of intense magnetic activity on the Sun's surface.
The effects of a solar flare on Earth depend on a variety of factors, including the strength of the flare, the direction of its energy release, and the orientation of the Earth's magnetic field. Strong solar flares can cause disruptions in satellite communications, power grids, and other technological systems on Earth. They can also cause beautiful auroras (Northern and Southern Lights) visible in the night sky, and can pose a radiation risk to astronauts in space.
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