Reprocessed Lunar Orbiter 2 image cropped in Gimp to show Hilbert 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 2, image 196, m [1]
{{Information |Description = [[Hilbert (crater)]], on the moon. |Source = Reprocessed [[Lunar Orbiter 2]] image cropped in Gimp to show Hilbert crater and surrounding terrain.<br>The original image is in the public domain because it is a work of the U....