Latest Moon Deimos Stories
The orbit of Phobos, the inner moon, has been calculated to an accuracy of less than 1 kilometer. However, the orbit of Deimos is still not known to a high degree of accuracy.
Mars' Moon Deimos -- outermost of two small moons orbiting the planet Mars. Deimos orbits Mars at a distance of about 23,500 km (about 14,100 mi), completing an orbit once every 1.26 Earth days. The moon's orbit is almost circular and is only slightly tilted relative to the Martian equator. Deimos is irregular in shape, measuring about 15 km (about 9 mi) along its longest side and about 11 km (about 6.6 mi) along its shortest side. It is the smallest known moon in the solar system. If...
- The abrogation of a law by a higher authority; annulment.