Orbital changes Tidal locking

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if rotational frequency larger orbital frequency, small torque counteracting rotation arises, locking frequencies (situation depicted in green)


the angular momentum of whole a–b system conserved in process, when b slows down , loses rotational angular momentum, orbital angular momentum boosted similar amount (there smaller effects on s rotation). results in raising of b s orbit in tandem rotational slowdown. other case b starts off rotating slowly, tidal locking both speeds rotation, , lowers orbit.







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