Ketari

Ketari is a fictional planet featured in the science fiction novel "Children of Time" by Adrian Tchaikovsky. The planet is home to a highly intelligent, evolved species of spiders, known as the Portiids. These spiders possess a complex society and technology, which they have developed independently of human interference.

The planet Ketari is described as a lush and diverse world, with a variety of ecosystems that support the Portiid species. The spiders have built advanced cities and developed sophisticated tools and weapons. Their society is characterized by a unique understanding of genetics and nanotechnology, which they use to adapt and improve their species.

In the narrative, Ketari becomes a focal point of conflict and interaction between the human inhabitants of the generation ship *Classic*, who are seeking a new home, and the native Portiid civilization. The story explores themes of evolution, intelligence, and the potential for interspecies understanding or conflict. The Portiids of Ketari are portrayed as a formidable and adaptable species, whose existence challenges human assumptions about sapience. The planet itself serves as a testament to the resilience and ingenuity of life, showcasing a civilization that has thrived in isolation.