Comet LINEAR: Fade To Black . ... Credit Copyright: Gordon Garradd Explanation: Only last month the stage was set for Comet LINEAR (C/1999S4 LINEAR) to become the first "naked-eye" comet of Y2K. It didn't fill that role, of course, but it did turn in a very dramatic performance . Closely followed by astronomer Mark Kidger and colleagues with the Isaac Newton Group telescopes (La Palma, Canary Islands), comet LINEAR's nucleus apparently fragmented extensively on the night of July 25th. ...