... Orion Dawn Over Mount Nemrut . ... When the air is cold and the Sun is rising or setting, falling ice crystals can reflect sunlight and create an unusual column of light. ... On the night of December 13, 1908, 100 years ago today, the 60-inch diameter reflecting telescope of Mount Wilson Observatory was first tested on the stars. ... As viewed from a well chosen location at sunset, October's gorgeous Full Moon rose behind Mount Hamilton, east of San Jose, California. ... The Dark Doodad Nebula . ...