stadia factor
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Stadia mark — Stadia marks, also called stadia lines or stadia hairs, are crosshairs on the reticle of a theodolite or other surveying instrument that allow stadiametric rangefinding.EtymologyThe term stadia mark derives from the obsolete unit of distance, the … Wikipedia
History of geodesy — See also the main article on Geodesy. Humanity has always been interested in the Earth. During very early times this interest was limited, naturally, to the immediate vicinity of home and residency, and the fact that we live on a near spherical… … Wikipedia
Stadiametric rangefinding — Stadiametric rangefinding, or the stadia method is a technique of measuring distances with a telescopic instrument. The term stadia comes from a Greek unit of length. Stadiametric rangefinding is used for surveying and in the telescopic sights of … Wikipedia
2018 and 2022 FIFA World Cup bids — The bidding process for the 2018 and 2022 FIFA World Cups was the process by which the locations for the 2018 and 2022 FIFA World Cups were selected. The process began officially in March 2009; eleven bids from thirteen countries were received,… … Wikipedia
geoid — geoidal, adj. /jee oyd/, n. 1. an imaginary surface that coincides with mean sea level in the ocean and its extension through the continents. 2. the geometric figure formed by this surface, an ellipsoid flattened at the poles. [1880 85; < Gk… … Universalium
Eratosthenes — of Cyrene (Greek polytonic|Ἐρατοσθένης; 276 BC 194 BC) was a Greek mathematician, poet, athlete, geographer and astronomer. He made several discoveries and inventions including a system of latitude and longitude. He was the first person to… … Wikipedia
Tachymeter — A tachymeter or tacheometer is a kind of theodolite used for rapid measurements and determines, electronically or electro optically, the distance to target, and is highly automated in its operations. A tachymeter is also used as the name of the… … Wikipedia
Millennium Stadium — Stadiwm y Mileniwm The West Stand of the Millennium Stadium … Wikipedia
Astronomical unit — This article is about unit of length. For the full system of units, see Astronomical system of units. 1 astronomical unit = SI units 149.60×10^6 km 149.60×10^9 m Astronomical units 4.8481 … Wikipedia
UEFA Euro 1984 — Infobox International Football Competition tourney name = UEFA European Football Championship year = 1984 other titles = UEFA Championnat Européen de Football France 1984 size = 120px caption = UEFA Euro 1984 official logo country = France dates … Wikipedia
2014 FIFA World Cup — Copa do Mundo da FIFA Brasil 2014 2014 FIFA World Cup logo Tournament details Host country … Wikipedia
