Download Artist’s impression of a water world, where half of its mass consists of water. Just like our Moon, the planet is bound to its star by tidal forces and always shows the same face to its host star. Credit: Pilar Montañés - @pilar.monro Created at 05/09/2022 Authors Pilar Montañés Type: image Category Astronomical images Astrophysics Exoplanetary Systems & Solar System (SEYSS) Exoplanets and Brown Dwarfs