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
Sliver of a Full Moon Yale Group for the Study of Native America, Yale Indigenous Performing Arts Program, and Yale Native American Cultural Center. Mary Kathryn Nagle is a visionary playwright and activist. This is an exciting opportunity for our students to meet a vital artist, watch her work, and participate in the process. We very much appreciate the work of all these groups at Yale to bring such an important piece of social and political theatre to our campus and to Santa Fe." Sliver of a Full Moon Sliver of a Full Moon is a play by Mary Kathryn Nagle. The play was written