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]
This work has been released into the public domain by its author, Dcoetzee. This applies worldwide.
In some countries this may not be legally possible; if so: Dcoetzee grants anyone the right to use this work for any purpose, without any conditions, unless such conditions are required by law.
