Most of the sand on the Moon, especially -- and you know when you look at the Moon, there's the dark areas and the light areas. The dark areas are lava flows. They're basaltic lava flows, and that's what this sand looks like, very similar to the sand that you would see in Haleakala.
月の砂は大抵 特に ―月を見ると判りますが― 暗いところと明るいところがありますね 暗いところは溶岩流です それらは玄武岩の溶岩流で その砂は マウイの火山の砂よりも とても小さいのです