It’s approx­i­mate­ly 300 meters long, 100 meters wide, and only up to 2 meters deep. Salin­i­ty: over 45%, mak­ing it the salti­est body of water on Earth (salti­er than the Dead Sea). Due to the extreme salt con­cen­tra­tion, the water remains liq­uid even at tem­per­a­tures down to –50°C. Sci­en­tif­ic sig­nif­i­cance: