According to the study, water is assumed to exist in the lunar beads. Although the amount of water in each bead is small, there are many beads, which contribute a substantial amount of water from the solar wind. Researchers believe that other moons in the solar system may have such reservoirs.
The surface of the Moon in an image taken by Chang’e-5’s camera during the landing process in 2020. Photo: CNSA/Xinhua/AP