Mars
A cold desert planet with the tallest volcano and deepest canyon in the Solar System. Robotic rovers search for signs of ancient water and life.
| Mass | 6.4170e+23 kg |
|---|---|
| Radius | 3,389.5 km |
| Surface gravity | 3.71 m/s² |
| Escape velocity | 5.03 km/s |
| Day length (rotation) | 24.6 hours |
| Year length (orbit) | 687 Earth days |
| Distance from Sun | 1.524 AU |
| Mean temperature | -65 °C |
| Moons | 2 (Phobos, Deimos) |
Source: NASA Planetary Fact Sheet. Values are means/approximations for education.
Try it: your weight on Mars
On Mars (gravity 3.71 m/s²) you would weigh 259.7 N — a scale would read about 26.482 kg. Your mass (70 kg) never changes.