The moon rotates on its axis in the same period in which it revolves around the earth. Consequently the moon presents nearly the same hemisphere toward the earth at all times. It is always the face of the "man in the moon" that we see and never the back of his head.
Most meteors or "shooting stars" are no bigger than a pin-head or at most a golf ball. Their great light energy is generated by the terrific speeds at which they hit the earth's atmosphere.
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