ON A STUDY OF SPECIFIC METHODS OF MEASURING LUNAR GRAVITY
AMERICAN BOSCH ARMA CORP GARDEN CITY NY
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The measurement of the gravity field of the moon from an orbiting satellite is examined from the points of view of requirements for geodetic and geophysical application, and physical phenomena and instrumentation to meet these requirements. It is shown that it is feasible to determine the gravity field by measuring the gravity gradient. Mathematical relations useful for data processing are stated. Examination of several principles for sensing gravity gradient leads to the recommendation of the vibrating string gradiometer as the best implementation with size, accuracy, range and versatility being in its favor. In addition the engineering status allows prototype design to begin immediately.