Q. What is Equatorial Forcing?
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A. It's a gravitational effect in astronomical bodies where there is a large rotating central mass.
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Q. What is the effect?
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A. A large rotating body causes nearby smaller masses to orbit in its equatorial plane of rotation.
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Q. Does this happen quickly?
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A. No, it's very gradual -- in our Solar System it took around a billion years.
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Q. Does Equatorial Forcing happen elsewhere?
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A. Yes, it's responsible for the shape of the Rings of Saturn. And for the disc shape of our Galaxy, the Milky Way.
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Q. Where can I find out more?
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A. Look at XT806: What is Equatorial Forcing?.
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