Small meteors which crash into the moon are cause it to leak water buried just three inches (8cm) below the lunar surface, according to NASA scientists. The researchers estimate that meteorite impacts on the Moon cause the loss of as much as 200 tonnes (220 tons) of water per year. Scroll down for videoThe researchers estimate that meteorite impacts on the Moon cause the loss of as much as 200 tonnes of water per year. When a speck of space debris strikes the moon it vaporises on impact, creating a shock wave that resonates through the lunar soil. They were then able to determine that the uppermost layer of lunar soil is dehydrated.

Source: Daily Mail April 15, 2019 15:00 UTC