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]
{{en|Explorer 9 satellite for use at the ''Parade of Progress'' show at the Public Hall, Cleveland, Ohio, USA}} {{pl|Satelita Explorer 9 użyty na pokazie ''Parada Postępu'' w Public Hall, w Cleveland (Ohio, USA)}} Source: [http://nix.larc.nasa.gov/inf