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Lunar Geologic History
Seismic Goals of Apollo 17
10 other sections not shown
amplitude anorthositic array azimuth b-values band-pass filtered basalt Booming sand dunes breccia compressed seismograms computed crater density depth Detailed seismogram detected determined diffusion equation dispersion Duennebier and Sutton equation ergs erosion estimate EXPLOSION PACKAGE Figure Firing pulse geophones ground motion group velocity higher frequencies impact events increase Kovach landslides later arrivals Latham layer listening modes listening periods LM ascent LM impact lunar crust LUNAR SEISMIC m/sec material maximum moon moonquakes noise observed Oceanus Procellarum P-velocity P-wave peak-to-peak phase plotted power law prediction error filter Rayleigh waves records regolith rise samples scattering seconds seismic energy seismic events seismic sources seismogram of EP seismometers separated by 0.08 shape of envelope short-period signals slope source distance source energy South Massif spectral spectrogram surface waves Taurus-Littrow valley terrestrial thickness ticks are 4.24 Time-averaged seismogram total power traces are separated values velocity model velocity structure voltage volts