... Jupiter And Family . ... This composite image features classic portraits of members of one of the Solar System's most prominent families - Jupiter and its four large "Galilean" moons. ... The Lyman Alpha Forest . ... We live in a forest. ... The First Lunar Observatory . ... X Ray Cygnus A . ... Amazingly detailed, this false-color x-ray image is centered on the galaxy Cygnus A. Recorded by the orbiting Chandra Observatory, Cygnus A is seen here as a spectacular high energy x-ray source. ...