Cosmic Scale
Venus vs Mercury: size comparison
Venus is about 2.48 times wider than Mercury: 12,100 km across against 4,879 km.
Compare them in 3D, at true scale
| Venus | Mercury | |
|---|---|---|
| Diameter | 12,100 km | 4,879 km |
| Mass | 4.87 × 10²⁴ kg | 3.30 × 10²³ kg |
| Light crosses it in | 0.04 seconds | 0.02 seconds |
- Venus has about 15.3 times the volume of Mercury.
- Venus is about 14.7 times more massive than Mercury.
- Light takes 0.04 seconds to cross Venus, and 0.02 seconds to cross Mercury.
Venus: The hottest planet — its surface is hot enough to melt lead.
Mercury: A year on Mercury is shorter than one of its days.