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- Nidor abstract "Nidor is a fictional planet, the setting for two science fiction books of the 1950s, The Shrouded Planet and The Dawning Light, written by Robert Silverberg and Randall Garrett. They were originally published in serial form in Astounding Science Fiction, under the pseudonym Robert Randall.Nidor's star is a massive, blue-white giant, which it orbits at a great distance, completing a revolution in about three thousand years. Even so, the planet is warmer than Earth, with a mean temperature in excess of 40 degrees Celsius. The planet is mostly covered by ocean, with a single continent inhabited by humanoids, the Nidorians, who have an agrarian culture somewhat like late medieval or early Renaissance Europe.The planet was invented to meet certain requirements of the authors, notably that it be permanently enveloped in clouds so the Nidorians would have no concept of an external universe. They took no account of what is now known about giant stars, which is that their lives are too short—less than 100 million years—for planets to form, let alone for intelligent humanoids to evolve. The author Poul Anderson, in a later story, imagined a planet circling such as star but originating around another star, from which it was captured by the giant star, sidestepping the stellar lifetime issue.A few basic calculations, assuming that stellar luminosity increases as the fourth power of the mass, while for a given orbital period the orbit radius increases as the cube root of the star's mass, indicates that Nidor probably orbits a star of about 16 solar masses, at a distance of about 500 AU, if the amount of heat and light it receives is about the same as Earth's, or perhaps 5% more.There is no Nidorian solar "year" analogous to an Earth solar year. The year is instead an artificial construct based on 16 periods of 16 days. 16 years is a Cycle. The storyline begins in the 240th Cycle of Nidor.".
- Nidor wikiPageID "3391086".
- Nidor wikiPageRevisionID "409344137".
- Nidor hasPhotoCollection Nidor.
- Nidor id "1382".
- Nidor title "Nidorian".
- Nidor subject Category:Fictional_planets.
- Nidor type CelestialBody109239740.
- Nidor type FictionalPlanets.
- Nidor type NaturalObject100019128.
- Nidor type Object100002684.
- Nidor type PhysicalEntity100001930.
- Nidor type Planet109394007.
- Nidor type Whole100003553.
- Nidor comment "Nidor is a fictional planet, the setting for two science fiction books of the 1950s, The Shrouded Planet and The Dawning Light, written by Robert Silverberg and Randall Garrett. They were originally published in serial form in Astounding Science Fiction, under the pseudonym Robert Randall.Nidor's star is a massive, blue-white giant, which it orbits at a great distance, completing a revolution in about three thousand years.".
- Nidor label "Nidor".
- Nidor sameAs m.0993sf.
- Nidor sameAs Q7030873.
- Nidor sameAs Q7030873.
- Nidor sameAs Nidor.
- Nidor wasDerivedFrom Nidor?oldid=409344137.
- Nidor isPrimaryTopicOf Nidor.