Latitude ( or ). It is measured in degrees, minutes and seconds or decimal degrees, north or south of the equator. The precise measurement of latitude requires an understanding of the gravitational field of the Earth, either to set up theodolites or to determine GPS satellite orbits. The study of the figure of the Earth together with its gravitational field is the science of geodesy. This article relates to coordinate systems for the Earth: it may be extended to cover the Moon, planets and other celestial objects by a simple change of nomenclature. The graticule is formed by the lines of
The Edge of the Earth EP", which was released in September 2013. The second track, "Against the Voices", has been a "long-time fan favorite," as the song was first played by the band live in 2010. However, it hadn't made the cut for Switchfoot's two previous full-length albums, "Vice Verses" (2011) and "Fading West" (2014). According to the band, the song "What It Costs" marked the first song recording for which bassist Tim Foreman provided lead vocals, replacing his brother Jon Foreman. The Edge of the Earth The Edge of the Earth is an extended play by American rock band Switchfoot, released digitally on September