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The stadion (plural stadia, Ancient Greek: στάδιον; [1] latinized as stadium), also anglicized as stade, was an ancient Greek unit of length, consisting of 600 Ancient Greek feet . Its exact length is unknown today; historians estimate it at between 150 m and 210 m.
A stadion is usually stated as 185 meters, or 607 feet, so the base has dimensions of about 2220 km by 2220 km, or 1380 miles by 1380 miles. In the ancient Greek system of measurement, the base of the New Jerusalem would have been equal to 144 million square stadia, 4.9 million square kilometers or 1.9 million square miles (roughly midway ...
The interval between stadia marks in most surveying instruments is 10 mrad and gives a stadia interval factor of 100. The distance between the instrument and a stadia rod can be determined simply by multiplying the measurement between the stadia hairs (known as the stadia interval) by 100. The instrument must be level for this method to work ...
Converts measurements to other units. Template parameters [Edit template data] This template prefers inline formatting of parameters. Parameter Description Type Status Value 1 The value to convert. Number required From unit 2 The unit for the provided value. Suggested values km2 m2 cm2 mm2 ha sqmi acre sqyd sqft sqin km m cm mm mi yd ft in kg g mg lb oz m/s km/h mph K C F m3 cm3 mm3 L mL cuft ...
Strabo noted that the distance between Rhodes and Alexandria is 3,750 stadia, and reported Posidonius's estimate of the Earth's circumference to be 180,000 stadia or 18,000 mi (29,000 km). [16] Pliny the Elder mentions Posidonius among his sources and—without naming him—reported his method for estimating the Earth's circumference.
This ratio is known as the stadia constant or stadia interval factor. Thus the formula for distance is D = kS. where D is distance from the telescope to the rod; k is the stadia constant; S is the difference between the rod readings at the two stadia marks; For example, a typical stadia mark pair are set so that the ratio is 100.
1.48 km 4,854 ft 0.919 mi 1000 passus or 8 stadia leuga leuca (Gallic) league: 7,500 pedes 2.22 km 7,281 ft 1.379 mi Except where noted, based on Smith (1851). [2] English and metric equivalents are approximate, converted at 1 pes = 0.9708 English feet and 296 mm respectively.
Vincenty's formulae are two related iterative methods used in geodesy to calculate the distance between two points on the surface of a spheroid, developed by Thaddeus Vincenty (1975a). They are based on the assumption that the figure of the Earth is an oblate spheroid, and hence are more accurate than methods that assume a spherical Earth, such ...