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28-07-2017
Physics

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Stars originate as large bodies of slowly rotating gas. because of gravity, these clumps of gas slowly decrease in size. the angular velocity of a star increases as it shrinks because of

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06-08-2017

Stars originate as large bodies of slowly rotating gas. because of gravity, these clumps of gas slowly decrease in size. the angular velocity of a star increases as it shrinks because of the angular momentum conservation.

This is because in a rotary system with decreasing diameter, the angular momentum should be conserved (as long as the net torque is zero) based on physics conservation laws

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