Latitude exact relationship of parallels and meridians with horizontal and vertical: both are complicated curves. On the sphere the normal passes through the centre and the latitude () is therefore equal to the angle subtended at the centre by the meridian arc from the equator to the point concerned. If the meridian distance is denoted by then where denotes the mean radius of the Earth. is equal to . No higher accuracy is appropriate for since higher-precision results necessitate an ellipsoid model. With this value for the meridian length of 1 degree of latitude on the sphere is (60.0 nautical miles).
The Earth is Dancing Yugoslavia, where both the videospot and the song were also popular. In 1986s, the song was remade in synthpop style by a Slovenian teenage group Videosex and sung by singer Anja Rupel. The remake inspired Max Marijan Osole, one of the first videomakers in Slovenia, to make a musical videospot with a 1980s computer animated background. The Earth is Dancing "The Earth is Dancing" (in Slovene: ""Zemlja pleše"") is a 1962 pop song, music of which was written by Mojmir Sepe based on a lyrics by Slovene poet Gregor Strniša that was awarded at the first edition of the Slovenian