In 1877, Asaph Hall discovered Mars’ moon, Phobos.
Phobos is named after the Greek god, Phobos, whose name means fear.
Learn more at http://solarsystem.nasa.gov/planets/profile.cfm?Object=Mar_Phobos.
Phobos is named after the Greek god, Phobos, whose name means fear.
Learn more at http://solarsystem.nasa.gov/planets/profile.cfm?Object=Mar_Phobos.