English: Figure 6-11. Lean tissue mass losses in percent change from preflight for NASA-Mir, ISS, and three bed rest studies from 120-170 days in duration.
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]