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= {{cs|Oběžná dráha Kohoutkovy komety v letech 1973–1974}} |Source= *Original source: http://history.nasa.gov/SP-4208/p391.htm NASA *Transferred from [http://cs.wikipedia.org cs.wikipedia]; transfered to Commons by [[User:S