(1898) a novel by H.G. Wells about an attack against Earth by creatures from Mars, which is one of the first great works of science fiction. A radio play based on the book, made by Orson Welles in 1938, caused great fear and shock in the US, because many people thought that the events they heard on the radio were actually happening.
Definition from the Longman Dictionary of Contemporary English Advanced Learner's Dictionary.
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