Latitude

In geography, latitude (φ) is a geographic coordinate that specifies the north-south position of a point on the Earth's surface. Latitude is an angle (defined below) which ranges from 0° at the Equator to 90° (North or South) at the poles. Lines of constant latitude, or parallels, run east-west as circles parallel to the equator. Latitude is used together with longitude to specify the precise location of features on the surface of the Earth. Two levels of abstraction are employed in the definition of these coordinates. In the first step the physical surface is modelled by the geoid, a surface which approximates the mean sea level over the oceans and its continuation under the land masses. The second step is to approximate the geoid by a mathematically simpler reference surface. The simplest choice for the reference surface is a sphere, but the geoid is more accurately modelled by an ellipsoid. The definitions of latitude and longitude on such reference surfaces are detailed in the following sections. Lines of constant latitude and longitude together constitute a graticule on the reference surface. The latitude of a point on the actual surface is that of the corresponding point on the reference surface, the correspondence being along the normal to the reference surface which passes through the point on the physical surface. Latitude and longitude together with some specification of height constitute a geographic coordinate system as defined in the specification of the ISO 19111 standard.

Mike Horn

Mike Horn (born 16 July 1966) is a South African-born Swiss explorer and adventurer. Born in Johannesburg, South Africa he currently resides in Château d'Oex, Switzerland.

Mike Horn became famous in 2001 after completing a solo journey around the equator without motorised transport. In 2004 he completed a two-year, 3-month solo circumnavigation of the Arctic Circle, and in 2006 along with Norwegian explorer Børge Ousland, became the first man to travel without dog or motorised transport to the North Pole during winter, in permanent darkness.

Horn uses his experiences to motivate sportsmen and other people involved in challenging work such as deep sea drilling. During 2010 and 2011, he conducted motivational sessions for the Indian Cricket Team at the request of its coach, Gary Kirsten. The team went on to win the 2011 Cricket World Cup for the second time after 28 years. Members of Indian Cricket Team acknowledged Horn's motivational work.

Lupe Fiasco

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Wasalu Muhammad Jaco (born February 16, 1982), better known by his stage name Lupe Fiasco (/ˈluːpeɪ/ LOO-pay), is an American rapper, record producer, and entrepreneur. He rose to fame in 2006 following the success of his debut album, Lupe Fiasco's Food & Liquor. He also performs as the frontman of rock band Japanese Cartoon under his real name. As an entrepreneur, Fiasco is the chief executive officer of 1st & 15th Entertainment.

Raised in Chicago, Jaco developed an interest in hip hop after initially disliking the genre for its use of vulgarity and misogyny. After adopting the name Lupe Fiasco and recording songs in his father's basement, 19-year-old Fiasco joined a group called Da Pak. The group disbanded shortly after its inception, and Fiasco soon met rapper Jay-Z who helped him sign a record deal with Atlantic Records. In September 2006, Fiasco released his debut album Lupe Fiasco's Food & Liquor on the label, which received three Grammy nominations. He released his second album, Lupe Fiasco's The Cool, in December 2007. The lead single "Superstar" became his first top 40 hit on the Billboard Hot 100. After a two-year delay, Lasers was released in March 2011 to mixed reviews. However it became his first album to debut at number one on the Billboard 200. His latest album, Tetsuo & Youth, was released in January 2015.