This would negate the First Law, as such ships would not recognize that humans usually inhabit ships, and would therefore be able to attack and destroy other ships without regard for their crews. Ultimately, it is revealed that Delmarre's neighbor, roboticist Jothan Leebig, was working on putting positronic brains in spaceships. Baley is able to prevent the house robots from cleaning up the scene and destroying evidence, which happened after Delmarre's death. Baley, unable to intervene physically, has to call on Gruer's robots to save him. The situation becomes more complex when Hannis Gruer, the Head of Security on Solaria, is poisoned while viewing with Baley. She reveals to Baley that she does not like all the customs of Solaria, where face-to-face interaction, and especially sex, are considered repugnant, and was on bad terms with Rikaine, partly from sexual frustration. Thereafter he develops a relationship with Gladia in face-to-face contact. The only witness is a malfunctioning house robot that has suffered damage to its positronic brain because it allowed harm to be done to a human, in violation of the First Law.īaley's first encounter with Gladia is through 'viewing' ( holography), at which point he discovers that Solarians have no taboo about nudity when viewing, though Baley is shocked. She claims to have no memory of what happened, nor is there any sign of the object used to beat Rikaine Delmarre to death.

Normally the prime suspect in a murder would have been Delmarre's wife Gladia, who was present in the house when he was killed by being beaten over the head.

The planet has a rigidly controlled population of 20,000, and all work is done by robots, which outnumber humans ten thousand to one. The book focuses on the unusual traditions, customs, and culture of Solarian society. Daneel Olivaw, and asked by Earth's government to assess the Solarian society for weaknesses. He is again partnered with the humanoid robot R. The story arises from the murder of Rikaine Delmarre, a prominent 'fetologist' (fetal scientist), responsible for the operation of the planetary birthing center of Solaria, a planet politically hostile to Earth, whose death Elijah Baley is called to investigate, at the request of the Solarian government. It was first published in book form in 1957 after being serialized in Astounding Science Fiction between October and December 1956. Like its predecessor, The Caves of Steel, this is a whodunit story. The Naked Sun is a science fiction novel by American writer Isaac Asimov, the second in his Robot series.

Nove Amanhãs by Isaac Asimov