DD is abbreviation for diverged dynamo.

It has been believed that liquid core of earth rotate with respect to shell of earth.

Jet stream and westerlies induce spins of inner layer.

with Air spin effect, earth is to core what atmosphere is to shell of earth.

see alsoEdit

Ad blocker interference detected!

Wikia is a free-to-use site that makes money from advertising. We have a modified experience for viewers using ad blockers

Wikia is not accessible if you’ve made further modifications. Remove the custom ad blocker rule(s) and the page will load as expected.