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The tree of life ( Hebrew: עֵץ חַיִּים, romanized : ʿēṣ ḥayyim or no: אִילָן, romanized : ʾilān, lit. 'tree') is a diagram used in Rabbinical Judaism in kabbalah and other mystical traditions derived from it. [ 1] It is usually referred to as the "kabbalistic tree of life" to distinguish it from the tree of life that ...
Isotropic coordinates. In the theory of Lorentzian manifolds, spherically symmetric spacetimes admit a family of nested round spheres. There are several different types of coordinate chart which are adapted to this family of nested spheres; the best known is the Schwarzschild chart, but the isotropic chart is also often useful.
The seven rays is a concept that has appeared in several religions and esoteric philosophies in both Western culture and in India since at least the sixth century BCE. [1]In occidental culture, it can be seen in early Western mystery traditions, such as Gnosticism and Mithraism, and in texts and iconic art of the Catholic Church as early as the Byzantine Empire.
Celestial spheres. The celestial spheres, or celestial orbs, were the fundamental entities of the cosmological models developed by Plato, Eudoxus, Aristotle, Ptolemy, Copernicus, and others. In these celestial models, the apparent motions of the fixed stars and planets are accounted for by treating them as embedded in rotating spheres made of ...
Visualization of a celestial sphere. In astronomy and navigation, the celestial sphere is an abstract sphere that has an arbitrarily large radius and is concentric to Earth. All objects in the sky can be conceived as being projected upon the inner surface of the celestial sphere, which may be centered on Earth or the observer.
Celestial globes show the apparent positions of the stars in the sky. They omit the Sun, Moon, and planets because the positions of these bodies vary relative to those of the stars, but the ecliptic, along which the Sun moves, is indicated. There is an issue regarding the “ handedness ” of celestial globes. If the globe is constructed so ...
In “The Secret Life of the Universe: An Astrobiologist's Search for the Origins and Frontiers of Life,” readers won't walk away with a clear-cut answer to that question. Cabrol writes that we ...
An armillary sphere (variations are known as spherical astrolabe, armilla, or armil) is a model of objects in the sky (on the celestial sphere ), consisting of a spherical framework of rings, centered on Earth or the Sun, that represent lines of celestial longitude and latitude and other astronomically important features, such as the ecliptic.