Crater Stickney on Phobos
Phobos, the larger (27 × 21 × 18 km) of the two moons of Mars is made of icy rocks, rich in carbon. Phobos is peppered with impact craters like all terrestrial objects in the solar system. The crater Stickney of 9 km in diameter, is the largest crater on the Martian moon, it is almost half the diameter of Phobos. The crater was so named in honor of Chloe Angeline Stickney Hall, mathematician and astronomer, wife of Asaph Hall, who discovered the two moons of Mars August 12, 1877.
Image: Stickney Crater is over 9 km in diameter (about half the diameter of Phobos), Stickney. It is so great that the meteorite could have completely disintegrated the small moon of Mars.nota: if we imagine on the surface of Phobos, Mars is 6400 times greater than the full Moon seen from Earth, which represents one quarter of the celestial hemisphere of Phobos.
Phobos and Deimos
The names of the two moons of Mars are derived from Greek mythology, Phobos (Fear) and Deimos (terror), the twins that the god Ares had with the goddess Aphrodite. Deimos is covered with a thick layer of particles ejected during the impacts of meteorites, which blurs its relief by filling craters gradually. There is no such feature on Phobos is closer to Mars, where dust is influenced by tidal forces of Mars.
Phobos is the larger of the two moons of Mars.
Image: This unique picture of the Martian moons Phobos and Deimos whole, was captured by Mars Express November 5, 2009 by the HRSC instrument (High Resolution Stereo Camera).
|Phoenix is dead...
||High definition by Mars
|Landing at high risk
|Curiosity, first sod
in Martian soil...
are exploring space...
|Living on Mars...
|Phobos will crash
|Deimos, the small
satellite of Mars...
|Simulator the round
|The probes of Mars...||Stickney crater
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