hypothetical planets

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• Planets beyond Neptune — Planet X redirects here. For the Planet X doomsday scenario, see Nibiru collision. For other uses, see Planet X (disambiguation). Trans Neptunian planets redirects here. For dwarf planets and small bodies discovered beyond Neptune, see Trans… …   Wikipedia

• Hypothetical planetary object (non-scientific) — There are a number of planets or planetary bodies whose existence is not supported by scientific evidence, but which are occasionally believed to exist by pseudoscientists, conspiracy theorists, or certain religious groups. Some were proposed… …   Wikipedia

• Planets in astrology — ‹ The template below (Astrology) is being considered for merging. See templates for discussion to help reach a consensus. › Astrology …   Wikipedia

• Hypothetical types of biochemistry — are forms of biochemistry speculated to be scientifically viable but not proven to exist at this time. While the kinds of living beings we know on earth commonly use carbon for basic structural and metabolic functions, water as a solvent and DNA… …   Wikipedia

• Planets in science fiction — are fictional planets that appear in various media, especially those of the science fiction genre, as story settings or depicted locations. [cite book last = Mann first = George authorlink = coauthors = title = The Mammoth Encyclopedia of Science …   Wikipedia

• Fictional planets of the Solar System — The fictional portrayal of our Solar System has often included planets, moons, and other celestial objects which do not actually exist in reality. Some of these objects were, at one time, seriously considered as hypothetical planets which were… …   Wikipedia

• Fifth planet (hypothetical) — In the history of astronomy, a handful of solar system bodies have been counted as the fifth planet from the Sun. Under the present definition of a planet, this celestial body is Jupiter. Contents 1 Previous fifth planets 1.1 Asteroids 1.2 Th …   Wikipedia

• Phaeton (hypothetical planet) — Heinrich Wilhelm Matthäus Olbers, who formulated the planet Phaeton hypothesis Phaeton (or Phaëton, less often Phaethon) is the name of a hypothetical planet posited to once have existed between the orbits of Mars and Jupiter whose destruction… …   Wikipedia

• List of hypothetical planetary objects — A hypothetical planetary object is a planet, natural satellite or similar body whose existence is not known, but has been inferred from observational scientific evidence. Over the years a number of hypothetical planets have been proposed, and… …   Wikipedia

• Vulcan (hypothetical planet) — Vulcan was a small planet proposed to exist in an orbit between Mercury and the Sun in a 19th century hypothesis. This hypothesis has now been rendered obsolete by Albert Einstein s theory of general relativity.Argument for Vulcan s existenceIn… …   Wikipedia

• Nemesis (hypothetical star) — Not to be confused with the hypothetical planet Tyche. Artist s conception of Nemesis as a red dwarf seen from a nearby debris field with the Sun visible in the center. Nemesis is a hypothetical hard to detect red dwarf star,[1] white dwarf star …   Wikipedia