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Water Ice Sublimation Distribution on the Surface of Short Period Comet
Li, C.; Zhao, Y. H.; Ji, J. H.
Comets are the primitive planetesimals left in the solar system. Studying the evolution of comet nucleus is of great significance for understanding the formation and evolution history of other celestial bodies in the solar system. Under the action of solar radiation, the volatile components of comets sublimate and drive the dust movement, resultin…
Astrometry of Cassini ISS Images of 7 Near-ring Inner Satellites of Saturn Affected by Scattered Light
Li, Y.; Li, Z.; Wang, Z. Q. +4 more
The Imaging Science Subsystem (ISS) mounted on Cassini spacecraft took images of Saturn's inner satellites between 2004 and 2017. In some of these images, the satellites are so close to Saturn rings that their images are affected by the scattered light from Saturn rings, which results in poor, even impossible, measurements of targets. A background…