In the Courts of the Crimson Kings In the Courts of the Crimson Kings In the Courts of the Crimson Kings is a 2008 alternate history science fiction novel by American writer S. M. Stirling. The story takes place on the planet Mars in an alternate solar system where probes from the United States of America and the Soviet Union find intelligent life and civilizations on both Venus and Mars. The book is heavily influenced by the works of writers such as Edgar Rice Burroughs, Ray Bradbury, and Leigh Brackett, among others. It is a sequel to "The Sky People", which is set on Venus. Stirling later
Fictional planets of the Solar System while yet others are purely fictional and were never intended as serious hypotheses about the structure of the Solar System. Vulcan was a hypothetical planet supposed to revolve around the Sun inside the orbit of Mercury, invoked to explain certain irregularities in Mercury's orbit. The planet was proposed as a hypothesis in 1859, and abandoned not later than 1915. The name "Vulcan" has been used for various other fictional planets, in and out of the Solar System, that do not correspond to the hypothetical planet Vulcan. The planet Vulcan in the "Star Trek" franchise, for instance, is specified as orbiting