A detailed analysis of gravity and topography data from Titan, the largest moon of Saturn, provides strong evidence that the ocean inside the moon might be as salty as Dead Sea. Titan’s ice shell, which overlies a very salty ocean, varies in thickness around the moon, suggesting the crust is in the process of becoming rigid. Image credit: NASA / JPL-Caltech / SSI / University of Arizona / G. Mitri / University of Nantes. “This is an extremely...
