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. [2]
{{Information |Description=Depiction of North Atlantic circulation of surface and deep ocean currents. |Source=https://www.giss.nasa.gov/research/briefs/legrande_01/ |Date=01.01.2006 |Author=Allegra LeGrande |Permission={{NASA}} |other_versions= }}