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    Precision selenodesy and lunar libration through VLBI observations of ALSEPs (1975)
    In:  CASI
    Details
    Publication Date: 2019-07-13
    Description: Data from 500 observation series, each one representing about five hours' continuous observation of a pair of ALSEPs by differential very long baseline interferometers (VLBI) have been compiled on magnetic tape. The theoretical models used to calculate the rotation of the earth, the orbit of the moon, the libration of the moon, and the basic VLBI observable were improved substantially. Analysis of data from long spans of VLBI observations was begun.
    Keywords: LUNAR AND PLANETARY EXPLORATION
    Type: NASA-CR-142014
    Format: application/pdf
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