Alien Worlds May Be Able To Make Their Own Water

sciencehabit shares a report from Science.org: From enabling life as we know it to greasing the geological machinery of plate tectonics, water can have a huge influence on a planet’s behavior. But how do planets get their water? An infant world might be bombarded by icy comets and waterlogged asteroids, for instance, or it could form far enough from its host star that water can precipitate as ice. However, certain exoplanets pose a puzzle to astronomers: alien worlds that…