wunderfeedENDE

Quick & curious · Space

Saturn would float in water.

Its average density is lower than water's. A suitable bathtub would have to be enormous.

Saturn and its rings, imaged by the Cassini spacecraft
Photo: NASA/JPL/Space Science Institute · Public domain · Original

0.69g/cm³average density (water: 1)

The story behind it

Saturn would float in water.

It is the only planet in our solar system with an average density lower than water's. In a – very large – bathtub, it would float.

Sources

Every statement in this discovery is backed by one of these sources and was checked before publication.

  1. NASA Science: Saturn: Facts (accessed 2026-10-05)
  2. NASA Space Science Data Coordinated Archive: Saturn Fact Sheet (accessed 2026-10-05)

Image credits

  • “Saturn from Cassini Orbiter (2004-10-06).jpg”, NASA/JPL/Space Science Institute, Public domain