Reprocessed Lunar Orbiter 4 image cropped in Gimp to show Mercurius crater and surrounding terrain. The original image is in the public domain because it is a work of the U.S. Government (NASA).
Immediate source: Lunar and Planetary Institute, Lunar Orbiter Photo Gallery Lunar Orbiter 4, image 165, h2 [1]
{{Information |Description = Oblique view of [[Mercurius (crater)]], on the moon. |Source = Reprocessed [[Lunar Orbiter 4]] image cropped in Gimp to show Mercurius crater and surrounding terrain. The original image is in the public domain because it i...