1.
Kentucky
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Kentucky, officially the Commonwealth of Kentucky, is a state located in the east south-central region of the United States. Kentucky is one of four U. S. states constituted as a commonwealth, originally a part of Virginia, in 1792 Kentucky became the 15th state to join the Union. Kentucky is the 37th most extensive and the 26th most populous of the 50 United States, Kentucky is known as the Bluegrass State, a nickname based on the bluegrass found in many of its pastures due to the fertile soil. One of the regions in Kentucky is the Bluegrass Region in central Kentucky. In 1776, the counties of Virginia beyond the Appalachian Mountains became known as Kentucky County, the precise etymology of the name is uncertain, but likely based on an Iroquoian name meaning the meadow or the prairie. Kentucky is situated in the Upland South, a significant portion of eastern Kentucky is part of Appalachia. Kentucky borders seven states, from the Midwest and the Southeast, West Virginia lies to the east, Virginia to the southeast, Tennessee to the south, Missouri to the west, Illinois and Indiana to the northwest, and Ohio to the north and northeast. Only Missouri and Tennessee, both of which border eight states, touch more, Kentuckys northern border is formed by the Ohio River and its western border by the Mississippi River. The official state borders are based on the courses of the rivers as they existed when Kentucky became a state in 1792, for instance, northbound travelers on U. S.41 from Henderson, after crossing the Ohio River, will be in Kentucky for about two miles. Ellis Park, a racetrack, is located in this small piece of Kentucky. Waterworks Road is part of the land border between Indiana and Kentucky. Kentucky has a part known as Kentucky Bend, at the far west corner of the state. It exists as an exclave surrounded completely by Missouri and Tennessee, Road access to this small part of Kentucky on the Mississippi River requires a trip through Tennessee. The epicenter of the powerful 1811–12 New Madrid earthquakes was near this area, much of the outer Bluegrass is in the Eden Shale Hills area, made up of short, steep, and very narrow hills. The Jackson Purchase and western Pennyrile are home to several bald cypress/tupelo swamps, located within the southeastern interior portion of North America, Kentucky has a climate that can best be described as a humid subtropical climate. Temperatures in Kentucky usually range from daytime summer highs of 87 °F to the low of 23 °F. The average precipitation is 46 inches a year, Kentucky experiences four distinct seasons, with substantial variations in the severity of summer and winter. The highest recorded temperature was 114 °F at Greensburg on July 28,1930 while the lowest recorded temperature was −37 °F at Shelbyville on January 19,1994, due to its location, Kentucky has a moderate humid subtropical climate, with abundant rainfall
2.
Louisville, Kentucky
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Louisville is the largest city in the Commonwealth of Kentucky and the 30th-most populous city in the United States. It is one of two cities in Kentucky designated as first-class, the other being the states second-largest city of Lexington, Louisville is the historical seat and, since 2003, the nominal seat of Jefferson County. Louisville was founded in 1778 by George Rogers Clark and is named after King Louis XVI of France, making Louisville one of the oldest cities west of the Appalachian Mountains. Sited beside the Falls of the Ohio, the major obstruction to river traffic between the upper Ohio River and the Gulf of Mexico, the settlement first grew as a portage site. It was the city of the Louisville and Nashville Railroad. Its main airport is also the site of United Parcel Services worldwide air hub, since 2003, Louisvilles borders have been the same as those of Jefferson County because of a city-county merger. The official name of this consolidated city-county government is the Louisville/Jefferson County Metro Government, the citys total consolidated population as of the 2014 census estimate was 760,026. However, the total of 612,780 excludes other incorporated places and semiautonomous towns within the county and is the population listed in most sources. As of 2014, the MSA had a population of 1,269,702, the history of Louisville spans hundreds of years, and has been influenced by the areas geography and location. The rapids at the Falls of the Ohio created a barrier to river travel, the first European settlement in the vicinity of modern-day Louisville was on Corn Island in 1778 by Col. George Rogers Clark, credited as the founder of Louisville. Several landmarks in the community are named after him, two years later, in 1780, the Virginia General Assembly approved the town charter of Louisville. The city was named in honor of King Louis XVI of France, early residents lived in forts to protect themselves from Indian raids, but moved out by the late 1780s. In 1803, explorers Meriwether Lewis and William Clark organized their expedition across America in the town of Clarksville, Indiana at the present-day Falls of the Ohio opposite Louisville, Kentucky. The citys early growth was influenced by the fact river boats had to be unloaded and moved downriver before reaching the falls. By 1828, the population had swelled to 7,000, the city grew rapidly in its formative years. Louisville was a shipping port and slaves worked in a variety of associated trades. The city was often a point of escape for slaves to the north, during the Civil War, Louisville was a major stronghold of Union forces, which kept Kentucky firmly in the Union. It was the center of planning, supplies, recruiting, and transportation for numerous campaigns, by the end of the war, Louisville had not been attacked, although skirmishes and battles, including the battles of Perryville and Corydon, took place nearby
3.
Clifton, Louisville
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Clifton is a neighborhood east of downtown Louisville, Kentucky USA. Clifton was named because of its location on the Ohio River valley escarpment. Clifton is bounded by I-64, N Ewing Ave, Brownsboro Road and its residential areas are also much less dense than other nearby areas like Butchertown or the Original Highlands. The Louisville and Lexington toll pike, which is now called Frankfort Avenue, the area began to revitalize in the 1990s, as numerous restaurants, boutiques, and antique shops opened up along Frankfort Avenue. Area attractions include the Kentucky School for the Blind and the American Printing House for the Blind. As of 2000, the population of Clifton was 2,469, of which whites are 87. 2%, blacks are 8. 1%, people listed as other are 2. 2%, and Hispanics are 2%. College graduates are 32. 1% of the population, people without a school degree are 22%. Females outnumber males 53. 1% to 46. 9%
4.
Geographic coordinate system
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A geographic coordinate system is a coordinate system used in geography that enables every location on Earth to be specified by a set of numbers, letters or symbols. The coordinates are chosen such that one of the numbers represents a vertical position. A common choice of coordinates is latitude, longitude and elevation, to specify a location on a two-dimensional map requires a map projection. The invention of a coordinate system is generally credited to Eratosthenes of Cyrene. Ptolemy credited him with the adoption of longitude and latitude. Ptolemys 2nd-century Geography used the prime meridian but measured latitude from the equator instead. Mathematical cartography resumed in Europe following Maximus Planudes recovery of Ptolemys text a little before 1300, in 1884, the United States hosted the International Meridian Conference, attended by representatives from twenty-five nations. Twenty-two of them agreed to adopt the longitude of the Royal Observatory in Greenwich, the Dominican Republic voted against the motion, while France and Brazil abstained. France adopted Greenwich Mean Time in place of local determinations by the Paris Observatory in 1911, the latitude of a point on Earths surface is the angle between the equatorial plane and the straight line that passes through that point and through the center of the Earth. Lines joining points of the same latitude trace circles on the surface of Earth called parallels, as they are parallel to the equator, the north pole is 90° N, the south pole is 90° S. The 0° parallel of latitude is designated the equator, the plane of all geographic coordinate systems. The equator divides the globe into Northern and Southern Hemispheres, the longitude of a point on Earths surface is the angle east or west of a reference meridian to another meridian that passes through that point. All meridians are halves of great ellipses, which converge at the north and south poles, the prime meridian determines the proper Eastern and Western Hemispheres, although maps often divide these hemispheres further west in order to keep the Old World on a single side. The antipodal meridian of Greenwich is both 180°W and 180°E, the combination of these two components specifies the position of any location on the surface of Earth, without consideration of altitude or depth. The grid formed by lines of latitude and longitude is known as a graticule, the origin/zero point of this system is located in the Gulf of Guinea about 625 km south of Tema, Ghana. To completely specify a location of a feature on, in, or above Earth. Earth is not a sphere, but a shape approximating a biaxial ellipsoid. It is nearly spherical, but has an equatorial bulge making the radius at the equator about 0. 3% larger than the radius measured through the poles, the shorter axis approximately coincides with the axis of rotation
