New research sheds light on what might be inside the moon

The inside of the moon may contain water, according to new research from Brown University.

Studying light data that measures the moon's surface, scientists have found that parts of the interior of the moon could contain as much water as the interior of Earth.

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The lead author of the new research, Ralph Milliken, a geologist at Brown, said that the evidence suggests that the "bulk interior of the moon is wet," according to a press release.

There hasn't been a NASA mission to the moon since 1972. Retrieving water from the moon could be a reason to return.

Scientists are also theorizing that a trip to the moon could be a good test for future planned trips to Mars. Milliken told CNN, the moon could be a good place for training and testing equipment.

It was originally believed that the moon was dry when Apollo missions started in the 1960's.

That view changed in 2008 when volcanic glass beads brought back from Apollo missions in the 1970's were studied and found to contain tiny crystalline formations that contained water.

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