Mercury is the closest planet to the sun and has more craters than any other planet. In 2008, Messenger caught high res images of the Caloris basin, nicknamed "the spider" by the NASA science team. Messenger is seen traveling around Mercury in this print. It's total time in space was ten years. Part of our 15 print set of Solar System Prints, "Mercury" is printed on the highest quality cover stock with hand carved woodblocks. 18" x 24"