Earth is surrounded by a special magnetic shield that protects the planet from space weather, and now this magnetosphere has been replicated in 3D in the lab.
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Any magnetised object that is immersed in a stream of electrically charged particles will be able to affect the movement of those particles. The region around the object in which this effect is seen is called a magnetosphere. Earth has a magnetosphere, and it acts like a shield against charged particles from the sun known as cosmic rays, says“For Earth, it controls all kinds of space weather and things like auroras and whether space satellites get destroyed or not,” he says.
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