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]
== Summary == {{Information |Description={{en|1=Extended RASDS Top Level Object Model}} |Source=[http://trs-new.jpl.nasa.gov/dspace/bitstream/2014/39851/1/06-0876.pdf "Toward a Framework for Modeling Space Systems Architectures"]. |Author=Peter Shames & J
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