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 2 to approach within of Phobos' surface and release two landers, one a mobile , the other a stationary platform, contact with "Phobos 2" was lost. The mission ended when the spacecraft signal failed to be successfully reacquired on 27 March 1989. The cause of the failure was determined to be a malfunction of the on-board computer. The "Phobos 2" infrared spectrometer (ISM) obtained 45000 spectra in the near infrared (from ) in the equatorial areas of Mars, with a spatial resolution ranging from , and 400 spectra of Phobos at 700 m resolution. These observations made it possible to retrieve