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The Sun formed when a rotating cloud of gas and dust that was bigger than our present solar system contracted under the influence of its own gravity. According to conservation of ____ momentum, as the cloud shrunk in size, its rotation period (i.e., the time needed to rotate once around its axis) decreased.

User Praveena
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Answer:

Angular momentum

Step-by-step explanation:

In order to conserve the angular momentum, the reduction in size of a gas cloud will results in the rise of it's rotational speed. Which reduces the time period of rotation.

User Jkhines
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