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Seventeen images of Aegaeon On 27 January 2010, Cassini approached to within 13,000 kilometers of Aegaeon, the recently discovered moon that is now believed to be the parent body from which Saturn's dusty G ring is built. The 17 images in this animation have been cleaned of some of their cosmic ray hit artifacts and have been enlarged by a factor of two. NASA / JPL-Caltech / SSI / animation by Emily Lakdawalla