3 years ago

How often dose earth's magnetic field change direction?

Social Studies

2 answers:

lapo4ka [179]3 years ago

5 0

Answer:

It changes direction every 200,000 years

Explanation:

belka [17]3 years ago

3 0

It reverses every 200,000 years but it varies. In the span of a 72 million years it changed 5 times. The most recent one was 780,000 years ago so we are overdue for one. Some people theorize that the poles melting are the early stages of the field changing.

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