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Phobos (Ancient Greek: Φόβος, lit. 'flight, fright', [1] pronounced, Latin: Phobus) is the god and personification of fear and panic in Greek mythology. Phobos was the son of Ares and Aphrodite, and the brother of Deimos. He does not have a major role in mythology outside of being his father's attendant. [2]
In Greek mythology, Deimos / ˈ d aɪ m ɒ s / (Ancient Greek: Δεῖμος, lit. 'fear' [1] pronounced) is the personification of fear. [2] He is the son of Ares and Aphrodite, and the brother of Phobos.
Compared to the Earth's Moon, the moons Phobos and Deimos are small. Phobos has a diameter of 22.2 km (13.8 mi) and a mass of 1.08 × 10 16 kg, while Deimos measures 12.6 km (7.8 mi) across, with a mass of 1.5 × 10 15 kg.
Phobos is named after the Greek god of fear and panic, who is the son of Ares (Mars) and twin brother of Deimos. Phobos is a small, irregularly shaped object with a mean radius of 11 km (7 mi). It orbits 6,000 km (3,700 mi) from the Martian surface, closer to its primary body than any other known natural satellite to a planet.
Deimos (/ ˈ d aɪ m ə s /; systematic designation: Mars II) [11] is the smaller and outer of the two natural satellites of Mars, the other being Phobos. Deimos has a mean radius of 6.2 km (3.9 mi) and takes 30.3 hours to orbit Mars. [5] Deimos is 23,460 km (14,580 mi) from Mars, much farther than Mars's other moon, Phobos. [12]
Phobos: Mars I: 1877: Hall named his two newly discovered satellites of Mars Phobus and Deimus: Astronomische Nachrichten, Vol. 92, No. 2187, pp. 47/48 14 March 1878 (signed 7 February 1878). The names were subsequently amended to Phobos and Deimos. Deimos: Mars II 1880: Camille Flammarion: Triton: Neptune I: 1846
The moons' small sizes have made them unpopular settings in science fiction, [c] with some exceptions such as the 1955 novel Phobos, the Robot Planet by Paul Capon and the 2001 short story "Romance with Phobic Variations" by Tom Purdom in the case of Phobos, and the 1936 short story "Crystals of Madness" by D. L. James in the case of Deimos ...
Phobos (Greek for "fear") most commonly refers to: Phobos (moon), a moon of Mars; Phobos (mythology), the Greek god and personification of fear and panic;