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INFRARED MAPPING OF LUNAR CRATERS DURING THE FULL MOON AND THE TOTAL ECLIPSE OF SEPTEMBER 5, 1960
BODINE ENGINE CO LOS ANGELES CA
Infrared measurements were made over certain lunar crater regions during the eclipse of September 5, 1960 and the full moon. Five rayed craters were observed to cool less rapidly than their environs during the eclipse, the anomaly being greatest for Tycho and progressively less for Aristarchus, Copernicus, Proclus, and Kepler. The findings are discussed in terms of the thermal properties of the surface, including thickness of insulating layer and age of the craters. Localized variations were found dur ng illumination, evidently attributable to variations in albedo and geometry.
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