Nightfall

Nightfall is a science fiction novel by Isaac Asimov that explores the consequences of a planet experiencing darkness only once every 2,049 years. On this planet, residents have never seen complete darkness, and their entire civilization is based on the assumption that darkness is a myth. When a rare eclipse occurs, causing true night for the first time, it triggers chaos, revealing deep-seated fears and beliefs. The story examines how human psychology and societal stability are influenced by perception and the unknown, highlighting themes of knowledge, fear, and the importance of understanding the natural world.