Some articles on models, model, sphere model, spheres, sphere:
... astronomy was a branch of mathematics astronomers sought to create geometrical models that could imitate the appearances of celestial motions ... from stellar to planetary concerns, (2) the creation of a geometrical model, the "two-sphere model," for the representation of stellar and planetary phenomena, and (3) the establishment of criteria. 90) The two-sphere model is a geocentric model ...
... 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 stars and planets are carried around by being embedded in rotating spheres made of an aetherial transparent fifth element (quintessence ... they must be on the surface of a single starry sphere ...
Famous quotes containing the words model and/or sphere:
“Id like to be the first model who becomes a woman.”
—Lauren Hutton (b. 1944)
“In the new science of the twenty-first century, not physical force but spiritual force will lead the way. Mental and spiritual gifts will be more in demand than gifts of a physical nature. Extrasensory perception will take precedence over sensory perception. And in this sphere woman will again predominate.”
—Elizabeth Gould Davis (b. 1910)