Gulliver's Travels or satellites, which revolve about Mars". This may have influenced Voltaire, whose 1750 story "Micromégas" also refers to two moons of Mars. In 1877, Asaph Hall discovered the two real moons of Mars, Deimos and Phobos; in 1973 craters on Deimos were named Swift and Voltaire, and from 2006 numerous features on Phobos were named after elements from "Gulliver's Travels", including Laputa Regio, Lagado Planitia, and several craters. The term "Lilliputian" has entered many languages as an adjective meaning "small and delicate". There is even a brand of small cigar called Lilliput. There is a series of collectable model houses
Phobos (moon) on Greek mythology, in which Phobos is a companion to the god Ares. Phobos has dimensions of , and retains too little mass to be rounded under its own gravity. Phobos does not have an atmosphere due to its low mass and low gravity. It is one of the least reflective bodies in the Solar System, with an albedo of about 0.071. Infrared spectra show that it has carbon-rich material found in carbonaceous chondrites. Instead, its composition shows similarities to that of Mars’ surface. Phobos's density is too low to be solid rock, and it is known to have significant