NASA’s New Horizons captured this high-resolution enhanced color view of Pluto’s moon Charon, showing the crack on the icy moon. It was taken just before closest approach on July 14, 2015. The image combines blue, red and infrared images and the colors are processed to best highlight the variation of surface properties across Charon. Credit: NASA
New model could explain cracks on Charon. Until now, it was thought the cracks were the result of geodynamical processes, such as plate tectonics, but the models run by Alice Quillen and her collaborators suggest that a close encounter with another body might have been the cause. Astronomers have long known craters on moons were caused by the impact of other bodies, billions of years ago...
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