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K2, at 8,611 metres (28,251 ft) above sea level, is the second-highest mountain on Earth, after Mount Everest at 8,849 metres (29,032 ft). [3] It lies in the Karakoram range, partially in the Gilgit-Baltistan region of Pakistan -administered Kashmir and partially in the China -administered Trans-Karakoram Tract in the Taxkorgan Tajik Autonomous ...
The Bottleneck is a narrow couloir, which is overhung by seracs from the ice field east of the summit. The couloir is located only 400 m (1,300 ft) below the summit, and climbers have to traverse about 100 m (330 ft) exposed to the seracs to pass it. Due to the height of 8,200 m (26,900 ft), and the steepness of 50 to 60 degrees, this stretch ...
Cartesian chart. Euclidean plane E2. Bipolar coordinates. Biangular coordinates Two-center bipolar coordinates. Euclidean space E3. Polar spherical chart. Cylindrical chart. Elliptical cylindrical, hyperbolic cylindrical, parabolic cylindrical charts. Parabolic chart.
Coordinates Country (disputed claims in italics) First Ascent Notes m ft 1 Mount Everest: Sagarmatha, Chomolungma: 8,848.86 29,032 8,848 infinite Mahalangur: China • Nepal: 1953: Highest peak in the world: 2 K2
Atlas (topology) In mathematics, particularly topology, an atlas is a concept used to describe a manifold. An atlas consists of individual charts that, roughly speaking, describe individual regions of the manifold. In general, the notion of atlas underlies the formal definition of a manifold and related structures such as vector bundles and ...
Cartesian coordinate system with a circle of radius 2 centered at the origin marked in red. The equation of a circle is (x − a)2 + (y − b)2 = r2 where a and b are the coordinates of the center (a, b) and r is the radius. Cartesian coordinates are named for René Descartes, whose invention of them in the 17th century revolutionized ...
Coordination geometry. The coordination geometry of an atom is the geometrical pattern defined by the atoms around the central atom. The term is commonly applied in the field of inorganic chemistry, where diverse structures are observed. The coordination geometry depends on the number, not the type, of ligands bonded to the metal centre as well ...
Coordinate charts in general relativity. In general relativity, solutions to the Einstein field equation are specified locally using coordinate charts. Many of these are sufficiently important in the subject to have their own names and their own Wikipedia articles. We collect them here.