Astronomy Picture of the Day Discover the cosmos! Each day a different image or photograph of our fascinating universe is featured , along with a brief explanation written by a professional astronomer. 2003 March 7 The Star Trails of Kilimanjaro Credit & Copyright: Dan Heller Explanation: The night had no moon, but the stars were out. And camped at 16,000 feet on Mt. Kilimanjaro, photographer Dan Heller recorded this marvelous 3 1/2 hour long exposure. Here the landscape is lit mostly by the stars. Flashlights give the tents an erie internal radiance while the greenish glow of distant city...