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Thursday, August 04, 2011

Earth used to have TWO moons... but one was destroyed in a giant collision


"Earth may once have had two moons - the one that shines at night today and a smaller companion, according to a new theory.

A slow-motion collision between the two is believed to have created the mountainous highlands on the moon's far side, as debris from the second, smaller moon piled up.

The side of the moon facing the Earth and the side facing away have strikingly different topographies...." To read more, click here.

Related Article: When Moons Collide They Form One

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