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Structure signs often include the mileage to a fair degree of precision; in the UK, the chain (equal to 1 ⁄ 80 mile or 20 metres) is the usual accuracy. In the U.S. and Canada, miles are "decimalized", so that, for example, there may be a "milepost 4.83" to mark a junction, crossing, bridge or tunnel.
The largest unit for expressing distances across space at that time was the astronomical unit, equal to the radius of the Earth's orbit at 150 million kilometres (93 million miles). In those terms, trigonometric calculations based on 61 Cygni's parallax of 0.314 arcseconds, showed the distance to the star to be 660 000 astronomical units (9.9 ...
If d is in nautical miles, and h in feet, the constant factor is about 1.06, which is close enough to 1 that it is often ignored, giving: d ≈ h {\displaystyle d\approx {\sqrt {h}}} These formulas may be used when h is much smaller than the radius of the Earth (6371 km or 3959 mi), including all views from any mountaintops, airplanes, or high ...
The state has 11,037 inland lakes comprising 1,305 square miles (3,380 km 2) of inland water. No point in Michigan is more than 6 miles (9.7 km) from an inland lake or more than 85 miles (137 km) from one of the Great Lakes. [5] The state's numerous rivers are generally short and shallow, though several are navigable by recreational watercraft.
The Strait of Gibraltar [1] is a narrow strait that connects the Atlantic Ocean to the Mediterranean Sea and separates Europe from Africa.The two continents are separated by 7.7 nautical miles (14.2 kilometers, 8.9 miles) at its narrowest point. [2]
With a typical capacity of 248 passengers and a range of 7,305 nautical miles (13,529 km; 8,406 mi), the −8 is the base model of the 787 family and was the first to enter service in 2011. [229] The 787-8 is targeted to replace the Boeing 767-200ER and Airbus A330-200 , as well as expand into new non-stop markets where larger planes would not ...
The upper Lucerne basin is 38 miles (61 km) long with an average depth of 1,148 feet (350 m) and thus by far the larger of the two basins. [16] It is in this part of the lake that the maximum depth of 1,486 feet (453 m) is found.
Northern Hemisphere from above the North Pole. The Northern Hemisphere is the half of Earth that is north of the equator.For other planets in the Solar System, north is defined as being in the same celestial hemisphere relative to the invariable plane of the Solar System as Earth's North Pole.