Mars
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Mars The red planet seen by Mars Observer in
August 1993. The probe stopped sending signals to earth before entering the orbit. |
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The Face The famous Mars "face" discovered by Viking 1 in 1976. A photogeological examination said that this strange object is no artefact of some alien race but a mere stone structure 1,5 km long with some shadows. |
his moons
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Deimos Deimos is the smaller one of the two irregularly formed moons of Mars. His longest axis is 15 km. The biggest of the craters covering the surface has a diameter of 2,2 km. |
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Phobos Phobos´ longest axis is 23 km. The remarkable crater is named "Stickney crater". |
| distance to the sun: | 227,9 million km |
| revolution around the sun: | 687,0 days |
| rotation period: | 1,0260 days |
| diameter: | 6.800 km |
| mass: * | 0,107 |
| density: ** | 3,95 |
| velocity: | 24,1 km/s |
| gravity: * | 0,38 |
| Albedo: | 0,15 |
| moons: | Phobos Deimos |
* earth = 1 / ** water = 1 |
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