Planet
Mars
A desert planet painted red by iron oxide. Home to Olympus Mons, the tallest mountain in the Solar System, and Valles Marineris, its longest canyon.
| Type | Planet |
|---|---|
| Parent body | Sun |
| Radius | 3,390 km · 0.532 R⊕ |
| Mass | 6.417 × 10²³ kg · 0.107 M⊕ |
| Mean density | 3.93 g/cm³ |
| Surface gravity | 3.73 m/s² · 0.38 × Earth |
| Escape velocity | 5.03 km/s |
| Rotation period | 24.6 hours |
| Mean distance from the Sun | 1.52 AU (228 million km) |
| Eccentricity | 0.093 |
| Orbital period | 687 days |
| Temperature | 210 K (-63 °C) |
| Atmosphere | 95% CO₂ (6 mbar) |
| Moons | 2 (Phobos, Deimos) |
Through a telescope from Earth
Moons and companions
- Phobos Moon
- Deimos Moon
- Perseverance Spacecraft
- Curiosity Spacecraft