Abstract Terrestrial radiation is another possible source of heat in lunar thermal environment at its nearside besides the solar illumination. On the basis of Clouds and the Earth’s Radiant Energy System (CERES) data products, the effect of terrestrial radiation on the brightness temperature () of the lunar nearside has been theoretically calculated. It shows that the mafic lunar mare with high is more sensitive to terrestrial radiation than the feldspathic highland with low value. According to the synchronous rotation of the Moon, we extract on lunar nearside using the microwave radiometer data from the first Chinese lunar probe Chang’E-1 (CE-1). Consistently, the average at Mare Serenitatis is about 1.2K while the highland around the Geber crater (19.4°S,13.9°E) is relatively small at ∼0.4K. Our results indicate that there is no significant effect of terrestrial radiation on at the lunar nearside. However, to extract accurately, effects of heat flow, rock abundance and subsurface rock fragments which are more significant should be considered in the future work.
Effect of terrestrial radiation on brightness temperature at lunar nearside: Based on theoretical calculation and data analysis
Advances in Space Research ; 55 , 4 ; 1234-1240
2014-11-17
7 pages
Article (Journal)
Electronic Resource
English
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