geometric body
41Golden ratio — For the Ace of Base album, see The Golden Ratio (album). Not to be confused with Golden number. The golden section is a line segment divided according to the golden ratio: The total length a + b is to the length of the longer segment a as the… …
42Centroid — of a triangle In geometry, the centroid, geometric center, or barycenter of a plane figure or two dimensional shape X is the intersection of all straight lines that divide X into two parts of equal moment about the line. Informally, it is the… …
43Standard asteroid physical characteristics — For the majority of numbered asteroids, almost nothing is known apart from a few physical parameters. Hundreds of these (See ) have their own Wikipedia page, where the only information is their name and discovery circumstances plus a table of… …
44History of mathematics — A proof from Euclid s Elements, widely considered the most influential textbook of all time.[1] …
45Measuring instrument — Captain Nemo and Professor Aronnax contemplating measuring instruments in Twenty Thousand Leagues Under the Sea …
46Omar Khayyám — Khayyam redirects here. For other uses, see Khayyam (disambiguation). Omar Khayyám عمر خیام A depiction of Omar Khayyám, in the works of Edward FitzGerald Full name Omar Khayyám عمر خیام …
47Solid modeling — The geometry in solid modeling is fully described in 3‑D space; objects can be viewed from any angle. Modeled and ray traced in Cobalt Solid modeling (or modelling) is a consistent set of principles for mathematical and computer modeling of three …
48Magnitude of eclipse — Not to be confused with apparent magnitude, the logarithmic scale of astronomical brightness. An annular solar eclipse has a magnitude of less than 1.0 The magnitude of eclipse or geometric magnitude is the fraction of the diameter of the… …
49cosmos — /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… …
50Anthropology and Archaeology — ▪ 2009 Introduction Anthropology Among the key developments in 2008 in the field of physical anthropology was the discovery by a large interdisciplinary team of Spanish and American scientists in northern Spain of a partial mandible (lower… …
