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| The Planets | Zoom Astronomy |
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| MARS |
| General Description |
Statistics | Moons: Deimos and Phobos |
Missions to Mars | Activities, Web Links |
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MARS STATISTICS |
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| Distance from Sun | 1.524 AU 141.6 million miles 227.9 million km |
| Diameter | 4,222 miles 6,787 km |
| Mass | 6.42 x 1023 About 1/9 of Earth |
| Number of Moons | 2 |
| 1 Martian Day (Period of Rotation) | 24.6 Earth hours 1.026 Earth days |
| 1 Martian Year (Period of Revolution Around the Sun) | 686.98 Earth days |
| Escape Velocity | 5,000 m/sec |
| Average Temperature | -9 °F -23 °C |
| Temperature Range | 150-310 K |
| Albedo (reflectivity) | 0.15 |
| Density | 3,940 kg/m3 |
| Apparent Size from Earth | 4-25 arc seconds |
| Oblique Axis (Tile of the Axis) | 25° |
| Orbital Inclination | 1.85° |
| Orbital Eccentricity (Deviation from circular) | 0.093 |
| Perihelion closest to sun | 1.38 AU |
| Aphelion farthest from sun | 1.67 AU |
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