Question

Magnetosphere of the earth is a result of rotation

Answer 1

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Answer 2

Answer:

The difference between the temperatures of the outer and inner core gives rise to vertical currents. The earth’s rotation gives them circular motion. Electric currents develop in these spiral eddies of liquid iron and thus magnetic field is generated. It is sometimes called the geo-dynamo. This magnetic field of the earth is functional even outside the earth’s surface for quite a distance. As a result, a cover develops around the earth because of the magnetic field. The earth’s atmosphere is protected from solar winds coming from the sun. The magnetic field thus developed around the earth is called the magnetosphere.