Back Teenaarde Afrikaans مقابل الأرض Arabic Antichton Catalan Gegenerde German Αντίχθονας Greek Antichton Spanish Maan vastakappale Finnish Anti-Terre French An Frith-Dhomhan Irish Ellenföld Hungarian
The Counter-Earth is a hypothetical body of the Solar System that orbits on the other side of the Solar System from Earth. A Counter-Earth or Antichthon (Greek: Ἀντίχθων) was hypothesized by the pre-Socratic Greek philosopher Philolaus (c. 470 – c. 385 BC) to support his non-geocentric cosmology, in which all objects in the universe revolve around a "Central Fire" (unseen from Earth and distinct from the Sun which also revolves around it).
In modern times a hypothetical planet always on the other side of the Sun from Earth has been called a "Counter-Earth",[2] and has been a recurring theme in UFO claims,[3] as well as in fiction (particularly science fiction).
- ^ Source: Dante and the Early Astronomers by M. A. Orr, 1913.
- ^ Comins, Neil F. (2010). What If the Earth Had Two Moons?: And Nine Other Thought-Provoking ... macmillan. pp. 171–172. ISBN 9781429957939.
- ^ Cite error: The named reference
UFOwas invoked but never defined (see the help page).
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