Lunar Origins Theory Challenged

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shocking new theory

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moon

MailOnline

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Scientists propose a shocking new theory for the origin of the moon

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Penn State University researchers say the moon may have started life as one part of a 'terrestrial binary', a pair of rocky objects orbiting one another.

As this pair passed within Earth 's pull, the moon was yanked into orbit while the second body was catapulted out into space.

This would explain why the moon doesn't orbit over the equator as we would expect from a collision.

The theory explains why the moon's orbit is so tilted and accounts for the presence of certain chemical isotopes found on the moon and not on Earth .

The researchers admit that their theory would be hard to prove and relies on several 'implausible events' happening at once.

But Professor Williams maintains that binary-exchange capture is a viable alternative to the standard collision theory.

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informal

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English