Peter Lowenstein in Zimbabwe - who has contributed many amazing photos to EarthSky - offers what might be your final glimpse of the planets after sunset.
Halos are a sign of high thin cirrus clouds drifting high above our heads. The clouds contain millions of tiny ice crystals, which both refract (split) and also reflect sunlight.
After so many amazing images of Pluto and Charon, it's time to remember some other fascinating worlds within our solar system. Here is Saturn's moon, Tethys ...