Conjunction Colours . ... Credit Copyright: Phil Hart Explanation: During the past week , nightfall on planet Earth has featured Mars, Saturn, and Spica in a lovely conjunction near the western horizon. ... This ingenious star trail image was recorded as the trio set on August 12 with a telephoto lens from the shores of Lake Eppalock, in central Victoria, Australia. Focused on foreground eucalyptus trees, the image slightly blurs the trails to show more saturated colors. ...