system of hypotheses

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• History of Solar System formation and evolution hypotheses — Capture theory redirects here. For the solar capture theory, see this article s section on Solar System formation. For the lunar capture theory, see this article s section on lunar formation. Ideas concerning the origin and fate of the world date …   Wikipedia

• Ptolemaic system — Astron. a system elaborated by Ptolemy and subsequently modified by others, according to which the earth was the fixed center of the universe, with the heavenly bodies moving about it. [1765 75] * * * ▪ astronomy       mathematical model of the… …   Universalium

• 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

• Location hypotheses of Atlantis — Atlantis is the subject of a legend about an advanced island civilization that was destroyed or lost. The story of Atlantis was first mentioned around 360 B.C. in Plato s dialogues Timaeus and Critias , in which a character named Critias claims… …   Wikipedia

• Solar System — This article is about the Sun and its planetary system. For other systems, see planetary system and star system. For a list of physical and orbital statistics for the Solar System s largest bodies, see List of gravitationally rounded objects of… …   Wikipedia

• endocrine system, human — ▪ anatomy Introduction  group of ductless glands (gland) that regulate body processes by secreting chemical substances called hormones (hormone). Hormones act on nearby tissues or are carried in the bloodstream to act on specific target organs… …   Universalium

• Formation and evolution of the Solar System — Artist s conception of a protoplanetary disk The formation and evolution of the Solar System is estimated to have begun 4.568 billion years ago with the gravitational collapse of a small part of a giant molecular cloud …   Wikipedia

• Proto-Indo-European Urheimat hypotheses — The question of the homeland (Urheimat) of the Proto Indo European peoples and their Proto Indo European language has been a recurring topic in Indo European studies since the 19th century. Many hypotheses for an Urheimat have been proposed, and… …   Wikipedia

• Complex system biology — Complex systems biology (CSB) is a branch or subfield of mathematical and theoretical biology concerned with complexity of both structure and function in biological organisms, as well as the emergence and evolution of organisms and species, with… …   Wikipedia

• Hilbert-style deduction system — In logic, especially mathematical logic, a Hilbert style deduction system is a type of system of formal deduction attributed to Gottlob FregeMáté Ruzsa 1997:129] and David Hilbert. These deductive systems are most often studied for first order… …   Wikipedia

• Clandestine cell system — Sleeper cell redirects here. For other uses, see Sleeper cell (disambiguation). Terrorism Definitions · Counter terrorism Internation …   Wikipedia