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The Conversation USA

Earth's magnetic field protects life on Earth from radiation, but it can move, and the magnetic poles can even flip

  • Written by Ofer Cohen, Associate Professor of Physics and Applied Physics, UMass Lowell
imageThe Earth's magnetic field deflects particles emitted by the Sun.Mark Garlick/Science Photo Library via Getty Images

The Earth’s magnetic field plays a big role in protecting people from hazardous radiation and geomagnetic activity that could affect satellite communication and the operation of power grids. And it moves.

Scientists have...

Read more: Earth's magnetic field protects life on Earth from radiation, but it can move, and the magnetic...

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