... Saturns Moon Rhea from Cassini . ... Each moon of Saturn seems to come with its own mystery. ... The Rosette Nebula . ... Inside the nebula lies an open cluster of bright young stars designated NGC 2244. ... The Virgo Cluster is so close that it spans more than 5 degrees on the sky - about 10 times the angle made by a full Moon. ... Blue Saturn . ... The image has been adjusted to approximate the natural blue color of visible sunlight scattered by the gas giant's upper atmosphere. Red Saturn . ...