Space, GPS & MapsPlanetary Science

Saturn Would Float

The giant planet is less dense than water

Saturn is a giant: hundreds of Earths would fit inside. So why would it bob like a rubber duck in a bathtub?

You'll find out

  • Which planets sink and which float
  • Why Jupiter sinks and Saturn doesn't
  • What's wrong with the giant bathtub

Why it matters

The same single number decides what floats everywhere: ships, icebergs, hot-air balloons, and you in a pool.

About 3 min6 interactive slides · 5 questionsLesson 109 · Zone 13

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