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The present passenger railway line (Dammam-Riyadh Railway Line 1) from Riyadh to Dammam via Buqayq and Hofuf, measuring 449 km (279 mi), was completed in 1985. Along with the decrease in distance, this shortened the time taken for the journey between the two cities from 7 hours to 5 hours.
The hand-cut glass and marble mosaic, measuring 250 square metres (2,700 sq ft) and fabricated with Clarke's assistance, was the largest in the world at the time. [23] The dome's apex, at 40 metres (131 ft 3 in) above the arrivals level roadway, is higher than all the other structures in the passenger complex with the exception of the control ...
King Fahd International Airport (Arabic: مطار الملك فهد الدولي; abbr. KFIA) (IATA: DMM, ICAO: OEDF), also known as Dammam International Airport or simply Dammam Airport or King Fahd Airport, is the international airport serving Dammam, Saudi Arabia.
Pages for logged out editors learn more. Contributions; Talk; Distance measurement
Length measurement, distance measurement, or range measurement (ranging) all refer to the many ways in which length, distance, or range can be measured. The most commonly used approaches are the rulers, followed by transit-time methods and the interferometer methods based upon the speed of light .
Astronomical measure uses: Earth radius R 🜨 ≈ 6,371 km [14] Lunar distance LD ≈ 384 402 km. [15] Average distance between the center of Earth and the center of the Moon. astronomical unit au. Defined as 149 597 870 700 m. [16] Approximately the distance between the Earth and Sun. light-year ly ≈ 9 460 730 472 580.8 km.
Diagram of measurements: D is the slant distance; S is the horizontal distance; Δh is the vertical distance. Tacheometry ( / ˌ t æ k i ˈ ɒ m ɪ t r i / ; from Greek for "quick measure") is a system of rapid surveying , by which the horizontal and vertical positions of points on the Earth's surface relative to one another are determined ...
The stated distance is 360 km (220 mi); the comma is the decimal separator in Germany. 10,000 meters; About 6.2 miles; 1 mil (the Scandinavian mile), now standardized as 10 km: 1 mil, the unit of measure commonly used in Norway and Sweden [151] used to be 11,295 m in Norway and 10,688 m in Sweden.