DescriptionTropical storm Don (2011) TRMM image.jpg
English: The TRMM satellite again viewed tropical storm DON on 29 July 2011 at 1322 UTC (7:22 AM CDT). A rainfall analysis from TRMM's Microwave Imager (TMI) was overlaid on a sunlit combination visible/infrared image from TRMM's Visible and InfraRed Scanner (VIRS) instrument.
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]