Stickney (crater)
Introduction


[thumb\|250px\|Stickney on Phobos (at left)  
 ([Viking orbiter](/wiki/Viking_program "Viking program"), 10 June 1977\)](/wiki/Image:Phobos_Full.png "Phobos Full.png")
**Stickney** is the largest [crater](/wiki/Impact_crater "Impact crater") on [Phobos](/wiki/Phobos_%28moon%29 "Phobos (moon)"), which is a [satellite of Mars](/wiki/Moons_of_Mars "Moons of Mars"). It is  in diameter, taking up a substantial proportion of the moon's surface.


What is the surface area that Stickney takes up on Phobos?