... The Southern Cross in a Southern Sky . ... On the upper left of this image are the four stars that mark the boundaries of the famous Southern Cross. ... Last January, people from Perth, Australia gathered on a local beach to watch a sky light up with delights near and far. ... A new star, likely the brightest supernova in recorded human history, lit up planet Earth's sky in the year 1006 AD. ... Hoodoo Sky . ... The strange-looking rock formations in the foreground of this skyscape are called...