Earth tide Earth tide Earth tide (also known as solid Earth tide, crustal tide, body tide, bodily tide or land tide) is the displacement of the solid earth's surface caused by the gravity of the Moon and Sun. Its main component has meter-level amplitude at periods of about 12 hours and longer. The largest body tide constituents are semi-diurnal, but there are also significant diurnal, semi-annual, and fortnightly contributions. Though the gravitational forcing causing earth tides and ocean tides is the same, the responses are quite different. The larger of the periodic gravitational forces is from the Moon but that of the
Under the Sun / Under the Moon Under the Sun / Under the Moon "Under the Sun" and "Under the Moon" are songs on the double-A side thirteenth single by Do As Infinity, released in 2002. The second A-side of this single, "Under the Moon", which is an extension song to "Under the Sun", was not included in the "True Song" album. The song "Under the Sun" was used in games and anime, and included on the Do As Infinity "Anime and Game Collection" compilation album (2015). Both songs were written by guitarist Dai Nagao who also wrote many of the band's hit songs, including "Yō no