| Implications
for magnetic fields: a dynamo |
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| A dynamo is a
mechanism for amplifying magnetic fields. In this model of |
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| the dynamo,
differential rotation inside the Sun amplifies the primordial |
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| dipolar solar
magnetic field by wrapping it up. When the field reaches a |
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| strength
about 100,000 times greater than the Earth’s magnetic field, it |
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| buoys up to form active
regions in the photosphere and corona. |
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