New questions have been raised about the origin of the moon

[Emily]

http://news.discovery.com/space/moon-creation-magma-meteor-ancient-space-120326.html

Moon's Creation Questioned by Chemistry
The origin of the moon has been challenged, creating a new puzzle as to how the moon formed.

Mon Mar 26, 2012 01:09 PM ET
Content provided by ABC Science News

New questions have been raised about the birth of the moon after a new study found samples from Earth and the lunar surface to be virtually identical.
The study reported in the journal Nature Geoscience contradicts the theory that the moon formed after the impact of a Mars-sized object named Theia with the early Earth about 4.5 billion years ago...