How Does Earth Magnetic Field Protect Us From Harmful Sun Rays?

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Charged particles can be deflected by a magnetic field. Along with light, the sun generates are large volumes of charged particles, all of which are cast off in all directions in the form of solar radiation. When these charged particles head in the direction of the Earth, our planet's magnetic field deflects them so that they do not reach the surface.

Charged particles interacting with the Earth's magnetic field produce the Aurora Borealis and the Aurora Australis (the Northern Lights and Southern Lights, respectively).

Photons do not have an electrical charge, so they pass directly through the Earth's magnetic field, allowing sunlight to fall to Earth unhindered.

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