Keck II telescope images comparing changes to the lit and unlit sides of the rings of Uranus. The top frame shows the unlit side of the rings in May 2007. The middle image shows the sunlight side of the rings in August 2006. The bottom image also shows the lit side of the rings in July 2004. The dotted lines show the position of the Epsilon ring (upper line) and the Zeta ring (lower line).
