Artwork copyright 1997 by Joe Bergeron (jabergeron@aol.com). Courtesy Sky & Telescope, P.O. Box 9111, Belmont, MA 02178-9111, U.S.A. Phone: 617-864-7360. Fax: 617-864-6117. E-mail: skytel@skypub.com. World Wide Web: http://www.skypub.com/.
Spinning Black Hole, by Joe Bergeron
