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Table of Contents | Enchanted Learning All About Astronomy |
Site Index |
Our Solar System | Stars | Glossary | Printables, Worksheets, and Activities | ||||||
The Sun | The Planets | The Moon | Asteroids | Kuiper Belt | Comets | Meteors | Astronomers |
Your weight on the Planets | The Planets | Your age on the Planets |
MARS |
General Description |
Statistics | Moons: Deimos and Phobos |
Missions to Mars | Activities, Web Links |
MARS STATISTICS |
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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