Latitude constant latitude and constant longitude, which are constructed with reference to the rotation axis of the Earth. The primary reference points are the poles where the axis of rotation of the Earth intersects the reference surface. Planes which contain the rotation axis intersect the surface at the meridians; and the angle between any one meridian plane and that through Greenwich (the Prime Meridian) defines the longitude: meridians are lines of constant longitude. The plane through the centre of the Earth and perpendicular to the rotation axis intersects the surface at a great circle called the Equator. Planes parallel to the
Latitude Festival Women were advised against going anywhere on site unaccompanied. Latitude 2011 (the sixth edition) took place on 14–17 July 2011. The first line up announcements were revealed on 14 March 2011. The three Obelisk headliners were revealed as well as a number of other artists and acts appearing across all stages. Latitude 2012 (the seventh edition) took place on 12–15 July 2012. The first line up announcements were revealed on 5 March 2012. The three Obelisk headliners were revealed alongside the three Word Arena headliners, as well as a number of other artists and acts appearing across all stages. What