angular perspective
31Newton's law of universal gravitation — Classical mechanics Newton s Second Law History of classical mechanics  …
32Poynting-Robertson effect — The Poynting Robertson effect, also known as Poynting Robertson drag, named after John Henry Poynting and Howard Percy Robertson, is a process by which solar radiation causes a dust grain in the solar system to slowly spiral inward. The drag is… …
33Scale relativity — is a theory of physics initially developed by Laurent Nottale, working at the French observatory of Meudon, near Paris, which extends special and general relativity with a new formulation of scale invariance preserving a reference length,… …
34Torque — For other uses, see Torque (disambiguation). Classical mechanics Newton s Second Law …
35geometry — /jee om i tree/, n. 1. the branch of mathematics that deals with the deduction of the properties, measurement, and relationships of points, lines, angles, and figures in space from their defining conditions by means of certain assumed properties… …
36cosmos — /koz meuhs, mohs/, n., pl. cosmos, cosmoses for 2, 4. 1. the world or universe regarded as an orderly, harmonious system. 2. a complete, orderly, harmonious system. 3. order; harmony. 4. any composite plant of the genus Cosmos, of tropical… …
37Time — This article is about the measurement. For the magazine, see Time (magazine). For other uses, see Time (disambiguation). The flow of sand in an hourglass can be used to keep track of elapsed time. It also concretely represents the present as… …
38Moon illusion — The Moon illusion is an optical illusion in which the Moon appears larger near the horizon than it does while higher up in the sky. This optical illusion also occurs with the sun and star constellations. It has been known since ancient times, and …
39art, African — ▪ visual arts Introduction the visual arts of native Africa, particularly sub Saharan Africa, including such media as sculpture, painting, pottery, rock art, textiles, masks, personal decoration, and jewelry. For more general… …
40Symmetry — For other uses, see Symmetry (disambiguation) …
