Night of the Comet1984

Narrator:
  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 sixty-five million years—indeed not since the time that the dinosaurs disappeared—virtually overnight.  There were a few who saw this as more than just a coincidence, but most didn't…