Mars' dusty soil contains iron oxide which gives the planet its distinctive reddish color. Its surface features include a deep canyon system and a number of volcanoes.
year length 687 days
Phobos is closer to its parent planet than any other moon in the solar system. Martian gravity is gradually tugging on Phobos and will tear apart in 7.6 million years.
year length 7.65 hours
This moon has a diameter of a large city and is composed of thick carbon-rich rock. Its surface is covered in a layer of loose rock and dust.
year length 30 hours