English: TechEdSat-6, seen here just after being deployed from the International Space Station, was a cubesat mission that tested technologies intended to make it easier to return science materials to Earth from space.
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]