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Mars was known to the antiquities; the Romans even named one of their gods — [[Ares|Mars, the god of war]] — after it. The Romans also knew about Jupiter and Saturn, but it was not until the 17th century that [[William Herschel]] discovered [[Uranus]], and [[Neptune]] and [[Pluto]] took even longer.
Mars was known to the antiquities; the Romans even named one of their gods — [[Ares|Mars, the god of war]] — after it. The Romans also knew about Jupiter and Saturn, but it was not until the 17th century that [[William Herschel]] discovered [[Uranus]], and [[Neptune]] and [[Pluto]] took even longer.
Mars has two moons: Phobos and Deimos. Based on observation of its orbit and composition, scientists believe that Phobos is hollow.
[[Category:Planets]]
[[Category:Planets]]