World University Games celebrate 100 years!

The Passive Seismic Experiment Package (PSEP) was a scientific experiment deployed on the lunar surface by the astronauts of Apollo 11 as part of the Early Apollo Surface Experiments Package (EASEP). The experiment’s goal was to determine the structure, tectonic activity, physical nature, and composition of the Moon.^[1] PSEP was the first seismometer to be deployed on a planetary body other the Earth.^[1]

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