Description22372 PIA23159-16 Mars Helicopter Prototype.jpg
English: This image depicts the demonstration vehicle used to prove that controlled, and sustained flight is feasible in a Martian atmosphere. The first free flight of this prototype Mars Helicopter in atmospheric conditions similar to Mars occurred on May 31, 2016, inside the Space Simulator, a 25-foot-wide (7.62-meter-wide) vacuum chamber at NASA’s Jet Propulsion Laboratory in Pasadena, Calif.
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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