Cosmic Scale
Saturn vs Mercury: size comparison
Saturn is about 23.9 times wider than Mercury: 116,500 km across against 4,879 km.
Compare them in 3D, at true scale
| Saturn | Mercury | |
|---|---|---|
| Diameter | 116,500 km | 4,879 km |
| Mass | 5.68 × 10²⁶ kg | 3.30 × 10²³ kg |
| Light crosses it in | 0.39 seconds | 0.02 seconds |
- Saturn has about 13,600 times the volume of Mercury.
- Saturn is about 1,720 times more massive than Mercury.
- Light takes 0.39 seconds to cross Saturn, and 0.02 seconds to cross Mercury.
Saturn: So light for its size it would float in a big enough bathtub.
Mercury: A year on Mercury is shorter than one of its days.