Circle of latitude can be calculated by a common sine or cosine function. The 60th parallel north or south is half as long as the Equator (disregarding Earth's minor flattening by 0.3%). A circle of latitude is perpendicular to all meridians. The latitude of the circle is approximately the angle between the Equator and the circle, with the angle's vertex at Earth's centre. The equator is at 0°, and the North Pole and South Pole are at 90° north and 90° south, respectively. The Equator is the longest circle of latitude and is the only circle of latitude which also is a great
Earth Is the Loneliest Planet Earth Is the Loneliest Planet "Earth Is the Loneliest Planet" is a song by English singer Morrissey. It is the fifth track on his "World Peace Is None of Your Business" album and was released as the third single off the album via digital download on 3 June 2014, through Harvest and Capitol Records. Due to changes in global music consumption, the physical versions of the first four singles from this album were released together as one 10" vinyl. The accompanying music video, directed by Natalie Johns, was also released on 3 June 2014. As with the preceding videos from