... Saturns Moon Epimetheus from the Cassini Spacecraft . ... To help answer that question, this small moon has recently been imaged again in great detail by the robot spacecraft Cassini now orbiting Saturn. ... Abell 2218: A Galaxy Cluster Lens . ... A Sunspot in the New Solar Cycle . ... Three Month Composite of Comet Holmes . ... Since brightening unexpectedly by nearly one million fold in late October, the last three months have found the coma of Comet 17P/Holmes both expanding and fading. ...