physical libration of the moon

physical libration of the moon

[′fiz·ə·kəl lī′brā·shən əvthə ′mün]
(astronomy)
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The topics include laser altimetry and its applications in planetary science, integrating and co-registering multisource Lunar topographic data sets for synergistic use, Martian minerals and rock components from MRO CRISM hyperspectral images, Mercury's magnetic field in the MESSENGER era, determining the Lunar gravity field with data from Chan'E-1 and other missions, and the theory of the physical libration of the Moon with a liquid core.
Arthur Ernest Hodgson died; worked at the Natal Observatory; in 1908 he took a series of lunar photographs for a determination of the physical libration of the moon.

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