curvature of earth
41geometry — /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… …
42Mirage — This article is about the optical phenomenon. For other meanings of Mirage, see Mirage (disambiguation). Various kinds of mirages in one location taken over the course of six minutes, not shown in temporal order. The uppermost inset frame shows… …
43Maxwell's equations — For thermodynamic relations, see Maxwell relations. Electromagnetism …
44Shape of the Universe — Edge of the Universe redirects here. For the Bee Gees song, see Edge of the Universe (song). The local geometry of the universe is determined by whether Omega is less than, equal to or greater than 1. From top to bottom: a spherical universe, a… …
45Fictitious force — Classical mechanics Newton s Second Law History of classical mechanics  …
46Metric expansion of space — Physical cosmology Universe · Big Bang …
47mathematics — /math euh mat iks/, n. 1. (used with a sing. v.) the systematic treatment of magnitude, relationships between figures and forms, and relations between quantities expressed symbolically. 2. (used with a sing. or pl. v.) mathematical procedures,… …
48geomagnetic field — Magnetic field associated with the Earth. It is essentially dipolar (i.e., it has two poles, the northern and southern magnetic poles) on the Earth s surface. Away from the surface, the field becomes distorted. Most geomagnetists explain the… …
49Coriolis effect — For the psychophysical perception effect, see Coriolis effect (perception). Classical mechanics Newton s Second Law …
50Big Bang — This article is about the cosmological model. For the sitcom, see The Big Bang Theory. For other uses, see Big Bang (disambiguation) …
