NASA's CubeSat Will Shine a Laser "FlashLight" on the Moon's Darkest Craters
Article Excerpt: "... Over the course of two months, Lunar Flashlight will swoop low over the Moon's South Pole to shine its lasers into permanently shadowed regions and probe for surface ice. Found near the North and South Poles, these dark craters are thought to be "cold traps" that accumulate molecules of different ices, including water ice. The molecules may have come from comet and asteroid material impacting the lunar surface and from solar wind interactions with the lunar soil..."
Reference: www.satnews.com