Cosmic Scale
Mars vs The Moon: size comparison
Mars is about 1.95 times wider than The Moon: 6,779 km across against 3,475 km.
Compare them in 3D, at true scale
| Mars | The Moon | |
|---|---|---|
| Diameter | 6,779 km | 3,475 km |
| Mass | 6.42 × 10²³ kg | 7.34 × 10²² kg |
| Light crosses it in | 0.02 seconds | 0.01 seconds |
- Mars has about 7.4 times the volume of The Moon.
- Mars is about 8.7 times more massive than The Moon.
- Light takes 0.02 seconds to cross Mars, and 0.01 seconds to cross The Moon.
Mars: Home to Olympus Mons, a volcano nearly three times the height of Everest.
The Moon: It drifts about 3.8 cm farther from Earth every year.