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]
Trajectory of the Dawn space probe (as of 2006). source: http://dawn.jpl.nasa.gov/mission/trajectory.asp == Licensing == {{PD-USGov-NASA}} Category:Dawn (spacecraft)
File usage
The following pages on the English Wikipedia use this file (pages on other projects are not listed):