Earth tide reason, it is believed that many of the exoplanets are captured in higher spin-orbit resonances with their host stars. 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
Wall of the Sun and Wall of the Moon "Moon". The two mosaic murals were assembled "in situ" by a team of technicians under the direct supervision of Miró and Llorens Artigas. The works were inaugurated in 1958, as same as the building, and received rave reviews. Even one of the murals, the "Wall of the Sun" won the Biennial Prize of Guggenheim Foundation. Miró later return to work for UNESCO, designing the UNESCO Medal for Pablo Picasso. Initially, the walls were outdoors, but later moved inside the building to protect them from damage caused by acid rain. Wall of the Sun and Wall of the Moon The Wall