The Blue Planet Globe is a dramatic rotating, illuminated globe that accurately depicts the seasons as they unfold around the world. Slowly spinning inside its sleek tinted case, it creates a mesmerizing view of Earth as seen from outer space. The mechanism design is based on an astronomically true formula and lets you see in 6-minute intervals the changing pattern of sunlight falling over each hemisphere during the year. Measurements of the encased globe are 18 x 18 x 23-inches. Blue Planet Globe is available with a choice of bases.