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= Internationalization of the diagram showing the mechanics of saltation.<br> '''1'''=Creep '''2'''=Saltation '''3'''=Suspension '''4'''=Wind current Source=http://exploration.nasa.gov/articles/06dec_dunes.html | Date=December 6