English: PIA23344: Seismic Waves Inside Mars (Artist's Concept)
This artist's concept is a simulation of what seismic waves from a marsquake might look like as they move through different layers of the Martian interior.
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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