This image was acquired from
wikimedia. It was marked as Public Domain or CC0 and is free to use. To verify, go to the source and check the information there.
Keywords from Image Description:
Chang Heng crater ASM ASU. Oblique view of Chang Heng on the far side of the moon North is in upper right Apollo Mapping camera image cropped in GIMP The original image is in the public domain because it is work of the Government NASA lroc asu edu camera imagename ASM ASM Original James Stuby based on NASA imageThe original