Description: This picture of King crater on the far side of the
Moon was taken during the Apollo 16 mission. The boom on the right side of the image is the Gamma-ray Spectrometer.
[1]
The NASA website hosts a large number of images from the
Soviet/
Russian space agency, and other non-American space agencies. These are not necessarily in the public domain.
The
SOHO (ESA & NASA) joint project implies that all materials created by its probe are copyrighted and require permission for commercial non-educational use.
[3]