
"Since before recorded time, it had swung through the universe in an elliptical orbit so large that its very existence remained a secret of time and space. But now, in the last few years of the twentieth-century, the visitor was returning. The citizens of Earth would get an extra Christmas present this year, as their planet orbited through the tail of the comet. Scientists predicted a light show of stellar proportions. Something not seen on Earth for 65 million years. Indeed, not since the time that the dinosaurs disappeared, virtually overnight."