John Gribbin
John R. Gribbin (born 1946) is a British science writer and a visiting Fellow in astronomy at the University of Sussex.
The Dragon, an enormous comet, is on a trajectory that will bring it perilously close to an Earth that is still suffering from the scars of a nuclear incident, and from the problems of the Greenhouse Effect. Does it spell doom, or might it represent the possibility of a change for the better?