"Nightfall" Rating: Five Planets
by Isaac Asimov  
Astounding, September 1941  
collected in The Science Fiction Hall of Fame, Volume I  
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Preview
Every 2050 years on the planet Lagash five of its six suns set simultaneously and the sixth goes into a total solar eclipse. As a result, civilization collapses. On the eve of one such collapse, the journalist Theremon 762 is covering an attempt by a band of scientists to stave off this inevitable disaster.

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Background Data
Atom BulletVoted Best Science Fiction Story of All Time in a poll conducted by the Science Fiction Writers of America
Atom BulletJohn Clute's Illustrated History of Science Fiction calls "Nightfall" the single most popular science fiction short story ever published.

Atom BulletAsimov had, at this time, published 31 short stories. John W. Campbell was Asimov's hero and mentor, and Asimov always tried to sell his stories to Campbell first.

On March 17, 1941, Asimov went to Campbell and pitched a story idea that Campbell rejected, not because it was such a bad idea, but because the Emerson quotation was obsessing him.

In this now-famous conversation, Campbell brought up the Emerson quotation (from "Nature") which eventually became the story's epigraph. Campbell asked Asimov what he thought would happen if the stars behaved in such a fashion.

In his autobiography Asimov says he drew a blank, and Campbell remarked "I think [men] would go mad. I want you to write a story about that." Asimov went home and wrote the story.

Over Asimov's objections Campbell added the references to Earth at the very end of the story.

Campbell paid Asimov a bonus for the story. "Nightfall" was Asimov's fifth sale to Campbell and his first cover story.

In a column printed in his own magazine in April 1986 Asimov suggested that Campbell had read a nonfiction discussion of that same Emerson quotation in the magazine Sky in 1937; since Campbell himself did not seem to know the origin of the quotation, Asimov may be right.

Atom BulletIn 1990 Asimov and Robert Silverberg expanded the story into a full-length novel that was published to generally poor reviews.

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Navigation Guide
Atom BulletExplain the science behind the story. Why does civilization collapse? How is the civilization built up again?
Atom BulletAt what level of scientific, astronomical and technological knowledge does the planet seem to be at? Of what significance is the discovery of the Laws of Gravitation? What are the scientists attempting to do?
Atom Bullet How far off the mark are the scientists with their predictions?
Atom BulletWhy are the people so afraid of the darkness?
Atom BulletDescribe the beliefs of the Cultists. What is the relationship between the Cultists and the scientists? Why do the Cultists want to disrupt the scientists' experiments?
Atom BulletWhat really causes the populace to go mad?
Atom BulletWhy doesn't science, skill and knowledge win out over ignorance and superstition?

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Further Exploration
Atom BulletExamine the relationship between the Emerson quotation and the story.
Atom BulletDiscuss the way the story illustrates the fear of the unknown.
Atom BulletThe story is actually a mystery to be solved. Note that the word "nightfall" never actually appears in the story itself.
Atom Bullet"Nightfall" is not a particularly literary story; nor is it Asimov's favorite; yet its most important element--its subject, the relationship of man to the universe--is the most significant theme explored by science fiction in the Golden Age of John W. Campbell.
Atom BulletDiscuss the opposite forces of reason (as embodied by the scientists) and religion (as embodied by the Cultists.
Atom BulletNote that the populace of Lagash suffers from fear of the dark and from claustrophobia (fear of closed-in spaces). Asimov himself suffered from severe acrophobia (fear of heights; fear of falling) and mild agoraphobia (fear of open spaces). His first two Robot novels (The Naked Sun and The Caves of Steel) also deal with agoraphobia.

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© 2002 Agatha Taormina
Last Revised: July 17, 2006