Apollo 11 Passive Seismic Experiment

     

Apollo 11 Passive Seismic Experiment

A device like this deployed on the lunar surface by the Apollo 11 crew in 1969 measured lunar shock waves caused by moonquakes or impacts of meteoroids or of manmade objects on the surface.

Image Number: WEB13226-2013
Credit: National Air and Space Museum, Smithsonian Institution
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