For the three unsolved mystery moon.

<P> The Moon is not uniformly spherical, but very slightly smaller diameter than the lunar equator (hereinafter referred to as the "Equator") diameter of the object. .Carefully observe the shape of the moon, we will find that it seems to be polarized with the thumb and forefinger to "squeeze" as before. .</ P> <P> this phenomenon is not surprising, because in the early formation of distant moon, the moon's rotation may cause the centrifugal force generated by the cooling magma of the lunar equatorial regions not "drum" out of a piece. .However, this is just all kinds of assumptions about the shape of the moon, even though humans have on the moon, but the mystery of the moon yet many scientists, one by one to crack. .</ P> <P align=center> </ P> <P align=center> </ p>.