English: An artist's conception of the X-43A Hypersonic Experimental Vehicle, or "Hyper-X" in flight. The X-43A was developed to flight test a dual-mode ramjet/scramjet propulsion system at speeds from Mach 7 up to Mach 10 (7 to 10 times the speed of sound, which varies with temperature and altitude).
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.
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{{BotMoveToCommons|en.wikipedia}} {{Information |Description={{en|A nice image of a Scramjet from NASA}} |Source=Transferred from [http://en.wikipedia.org en.wikipedia]; transfered to Commons by
User:TheDJ using [http://tools.wikimedia.de/~magnus/com
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