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If a comet suddenly hits the moon and im...

If a comet suddenly hits the moon and imparts energy which is more than the toatl energy of the moon, what will happen?

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A comet with small velocity and high mass, doesn,t trigger the moon much. It jus makes a circular shaped impact.
The moon is ment for the protection for life on earth and to attain stability for the earth rotation. But a comet with large mass and with large mass and with large velocity may destroy the moon completely or its impact makes the moon, go out of its orbit.
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