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The science in Star Maker shows its age, but much of the book is much less dated than one could expect for something written in 1937. Astronomical scales would have to be adjusted by a few orders of magnitude, but the overall sense of vastness in time and space is as valid now as then. Stapledon is one of very few authors of science fiction who takes interstellar and galactic distances seriously. Some editions contain a timeline (over billions of years) for the book. It may be instructive to compare these with modern conceptions of
Orders of magnitude (length) and Orders of magnitude (time), in particular 1 E19 s and more.Stapledon imagines alien biologies, minds and civilizations radically different from human ones. But unlike Lem's Solaris, all these are supposed to be fundamentally similar in the long run, since all are governed by the same Darwinian and Marxist laws of development. These views, rooted in the late 19th and early 20th century, may appear very dated to modern readers. The eclectic mix of popular science, naive communism, and religious mysticism is Stapledon's own.
Some of Stapledon's ideas for alien minds seem far ahead of their time, anticipating recent ideas about swarm intelligenceSwarm intelligence (SI) is an artificial intelligence technique based around the study of collective behaviour in decentralised, self-organised, systems. Such systems are typically made up of a population of simple agents interacting locally with one anot and the general fascination with networkA wide variety of systems of interconnected components are called networks . Specific examples include: television networks transport networks, roads, railroads, shipping routes and airlines, pipelines (gas, petroleum, water, sewage), electric circuits as.
The book begins with a single human narrator who is mysteriously transported out of his body and finds himself able to explore space and other planets. After exploring one other planet (the "other Earth") in some detail, his mind merges with that of one of its inhabitants, and as they travel together they are joined by still more minds or group-minds. This snowballing process is paralleled by the expansion of the book's scale, describing more and more planets in less and less detail.
The travellers encounter many ideas that are interesting from both science-fictional and philosophical points of view. These include the first instance of the Dyson sphereA Dyson sphere is a hypothetical megastructure first described in 1959 by the physicist Freeman Dyson in a short paper published in the journal Science entitled "Search for Artificial Stellar Sources of Infra-Red Radiation". It is an artificial hollow sph, many imaginitive species, civilizations and methods of warfare, and the idea that the stars and even the pre-galactic nebulae were intelligent beings, operating on vast time-scales. A key idea is the formation of collective minds from many telepathically-linked individuals, on the level of planets, galaxies, and eventually the cosmos itself.
The climax of the book is the "supreme moment of the cosmos", when the cosmical mind (which includes the narrator) attains momentary contact with the "Star Maker" of the title. The Star Maker was the creator of the universe, but stood in the same relation to it as an artist to his work, and calmly assesses its quality without any feeling for the suffering of its inhabitants.