... Known as Kemble's Cascade, the asterism contains about 20 stars nearly in a row stretching over five times the width of a full moon. ... I Zwicky 18: Young Galaxy . ... Caught in sunlight, icy moon Mimas shines above a broad shadow across gas giant Saturn. ... Saturns Moon Dione from Cassini . ... The Cassini spacecraft now orbiting Saturn passed near the frozen moon at the end of October, capturing the most detailed images since the Voyager spacecrafts in the early 1980s. Doomed Star Eta Carinae . ...