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Top Story

Scientists deepen understanding of magnetic fields that surround Earth

Vast rings of electrically charged particles encircle the Earth and other planets. Now, a team of scientists has conducted research into waves that travel through this magnetic, electrically charged environment, known as the magnetosphere, deepening understanding of the region. The scientists examined a type of wave that travels through the magnetosphere. The waves, called electromagnetic ion cyclotron (EMIC) waves, reveal the temperature and density of plasma particles in the magnetosphere. A better understanding of the magnetosphere could provide detailed information about how Earth and other planets interact with the space environment. EMIC waves could also allow scientists to determine the density of elements such as helium and oxygen in the magnetosphere.

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