One of the photographs taken by the Cassini spacecraft is truly extraordinary: Titan and Dione appear so close as to touch each other and in the background there are Saturn’s rings. Actually, Titan is at a distance of approximately 2.3 million kilometers (1.4 million miles) from Cassini while Dione is about 3.2 million kilometers (2 million miles) from the spacecraft. It’s therefore an optical effect but the combination of elements is really fantastic!