Labels:airplane | book | map | poster | skep OCR: The Passive Seismic Experiment uses extremely sensitive seismometers to TT ure lunar surface vibrations free oS tions, and tidal variations in surface Three long -period seismomet ters are me ed orthogonally to measure wave mo with periods between / and 250 secc while the short- -period seismometer m ures vertical motions with periods beh and 20 seconds The electronics housed the ALSEP central station thermal shroud isolates the sensor patch of ground feet in diameter the temperature extremes the lunar and night Lunar Surface Magnetometers, operating at three ALSEP stations have simultaneously measured the global response of the Moon fluctuations in large scale solar and terrestrial magnetic fields By considering these responses in conjunction with the free- space magnetic data from the lu ...
