Are we getting closer to understanding where the moon actually came from?

The moon may be the closest object to us in space, but scientists are still struggling to understand how it got there.

Most planetary researchers think the moon was created as the result of a collision between the Earth and a long-hypothesized protoplanet called Theia about 100 million years after...

via L.A. Times - Science http://ift.tt/1nu0Vsn