Magnetic Star–planet Interactions: YZ Ceti b

Magnetic field is an important characteristic of a planet. And when it comes to Earth, the field is generated by the motion of molten iron in its core. It not only protects the atmosphere on Earth from cosmic radiations but it also deflects the charged particles spewed off by the sun. In absence of magnetic field, planet’s atmosphere would erode. Thus, making it less habitable.

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