Mysteries of the Sun

Earth’s Magnetosphere

The magnetosphere protects the Earth from solar wind that streams from the Sun carrying energetic, charged particles. NASA satellite observations have confirmed that the magnetosphere is always in place, but variations in the solar wind cause it to change size and shape.

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Mysteries of the Sun

Space Weather

Solar Variability

Heliosphere

Earth’s Magnetosphere

Ionosphere, Thermosphere, and Mesosphere

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