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The moon is revealed by the effect of meteorite.

We think of the moon as dry and dusty, but scientists have found that the Earth's satellites are actually filled with water in the everlasting shadows of volcanic sediments, cold pillars and craters.

But the water also appears to be hiding elsewhere. The moon's soil is just a few inches away from the moon's surface.

We had a hint that it was there. Cassini found the amount tracked on the 1999 flight. The NASA probe Deep Impact, like the Indian lunar probe Chandrayaan-1, detected a probe in a 2009 airship. But the source of this water was unknown. Scientists probably thought it was deposited there by solar wind or meteoroids.

I did not think surface water was there. But according to new research, it probably was.

In 2013 and 2014, NASA's Lunar Atmosphere and Dust Environment Explorer (LADEE) used the Neutral Mass Spectrometer (NMS) to read the moon's very thin atmosphere. 736 water detections were made.

Of these, 214 had 33 seawater emissions, 29 of which were consistent with the annual meteor shower, which had less menstrual effects. So, the meteor attacks the moon. Somehow, water appears. But does not the meteor water contain water?

Yes, it is. But it is not enough to create the richness of the lunar atmosphere.

"To illustrate the relatively high intensity of the sensed event, our analysis shows that the impact should produce 5.4 to 12.8 times the mass of the mass of the impactor. The impactor itself is a powerful source of water, Researchers can not be in their thesis "from dozens of total mass to several minutes.

"Instead, it is most likely the one coming from the water adsorbed on the grease grains desorbed by shock waves expanding across the impact area."

So what are four water emissions that are not consistent with known meteoric flows? According to the researchers, they can represent meteoric streams that we do not know.

The team analyzed the amount of water released and concluded that the top of the lunar surface, like bait bones, was 8 centimeters (3 inches) dry.

However, when deeper than that and going to a depth of at least 3 meters, the water is evenly distributed at concentrations up to 0.05%. This is the bottom of the permanent twist point on earth. It is still quite dry. But Completely I dried up as I thought before.

The team also calculated the amount of water lost each year due to the moon and reached a maximum of 200 tons. It seems that the moon always, or almost always, has a glass of water.

"The moon and especially the shaded areas will have a pure water loss system," the researchers wrote. "To maintain this loss rate in geological time, the water should have been delivered long ago or it should have been in the moon."

Does that help us build a moon base? perhaps. For example, it may not be practical to extract the water, but it can indicate a better understanding of the origin of water in the moon and gradually depleting it.

This study Natural geology.

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