200 tons of water a year to meteorite strikes https://www.sciencemag.org/news/2019/04/moon-losing-200-tons-water-year-meteorite-strikes?rss=1
200 tons of water a year to meteorite strikes https://www.sciencemag.org/news/2019/04/moon-losing-200-tons-water-year-meteorite-strikes?rss=1