A LITTLE PERSPECTIVE / 0:35

Is Saturn really less dense than water?

Saturn is about 9 times wider than Earth, yet on average it is less dense than water: 687 kg per m³ against water’s 1,000. It is the only planet like that.

Planet textures: Solar System Scope (CC BY 4.0), based on NASA data. 3D scenes are illustrative models, with scale noted on screen.