By Samantha Mathewson,

Space.com Contributor

July 24, 2017

Note from Pastor Kevin:  For those interested in understanding why the near and far side of the moon are so different, and why it should come as no surprise that there is water on the moon, please see http://www.creationscience.com/onlinebook/Comets2.html

Ancient volcanic deposits on the moon suggest the lunar interior has a substantial amount of water.

Credit: Olga Prilipko Huber

Ancient volcanic deposits on the moon reveal new evidence about the lunar interior, suggesting it contains substantial amounts of water.

Using satellite data, scientists from Brown University studied lunar pyroclastic deposits, layers of rock that likely formed from large volcanic eruptions. The magma associated with these explosive events is carried to the moon’s surface from very deep within its interior, according to a study published today (July 24) in Nature Geoscience.

Previous studies have observed traces of water ice in shadowed regions at the lunar poles. However, this water is likely the result of hydrogen that comes from solar wind, according to the new study’s lead author, Ralph Milliken, a geologist at Brown University. The new research reveals there is likely a large amount of water in the moon’s mantle, as well. This suggests that the water was delivered to the moon very early in its formation, before it fully solidified, Milliken told Space.com.

Colored areas on this map show spots with elevated water content compared with surrounding terrain on the moon’s surface. Yellow and red indicate the richest water content.

“We observe the water in deposits that are at the surface today, but these deposits are the result of magma that originally comes from deep within the lunar interior,” Milliken said. “Therefore, because the products of the magma have water, the deep interior of the moon must also contain water.”

The researchers analyzed satellite data from the Moon Mineralogy Mapper instrument aboard India’s Chandrayaan-1 probe, which measures reflected sunlight at visible and near-infrared wavelengths. In order to estimate the amount of trapped water in the pyroclastic deposits, the scientists had to

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