thin layer of rock. Said coloration was likely caused by a combination of material from Stickney itself and from the smaller crater of Limtoc. See also Moons of Mars Deimos (moon) References External links Flight around Phobos (animated movie) Stickney in High Resolution Stickney at APOD, 2018 May 5 Creation of Stickney Crater on Phobos (VIDEO) simulation which shows how Stickney crater was created, and how it affected Phobos, The Lawrence Livermore National Laboratory Impact craters on Mars's moons Phobos (moon)