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Why does Earth have a Magnetic field? + more videos |
Автор: AumSum goes Green
Загружено: 2025-03-11
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Why does Earth have a Magnetic field?
Earth’s magnetic field exists because of moving liquid iron in its outer core.
As Earth spins, this molten iron swirls around, creating electric currents.
These currents generate a magnetic field that stretches into space.
This process is called the geodynamo effect.
The magnetic field protects Earth from solar wind and cosmic radiation, preventing our atmosphere from being stripped away.
It also helps with navigation, as compasses align with magnetic north.
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