Cosmic Scale
Neptune vs The Moon: size comparison
Neptune is about 14.2 times wider than The Moon: 49,240 km across against 3,475 km.
Compare them in 3D, at true scale
| Neptune | The Moon | |
|---|---|---|
| Diameter | 49,240 km | 3,475 km |
| Mass | 1.02 × 10²⁶ kg | 7.34 × 10²² kg |
| Light crosses it in | 0.16 seconds | 0.01 seconds |
- Neptune has about 2,850 times the volume of The Moon.
- Neptune is about 1,390 times more massive than The Moon.
- Light takes 0.16 seconds to cross Neptune, and 0.01 seconds to cross The Moon.
Neptune: Its winds are the fastest in the Solar System, over 2,000 km/h.
The Moon: It drifts about 3.8 cm farther from Earth every year.