Tidal range Tidal range Tidal range is the height difference between high tide and low tide. Tides are the rise and fall of sea levels caused by gravitational forces exerted by the Moon and Sun and the rotation of Earth. Tidal range is not constant but changes depending on the locations of the Moon and Sun. The most extreme tidal range occurs during spring tides, when the gravitational forces of both the Moon and Sun are aligned (syzygy), reinforcing each other in the same direction (new moon) or in opposite directions (full moon). During neap tides, when the Moon and Sun's gravitational
What the Rose did to the Cypress What the Rose did to the Cypress What the Rose did to the Cypress is a Persian fairy tale. Andrew Lang included it in "The Brown Fairy Book" (1904), with the note "Translated from two Persian MSS. in the possession of the British Museum and the India Office, and adapted, with some reservations, by Annette S. Beveridge." A king had three sons. The oldest went hunting and chased a deer, giving orders that it should be captured rather than killed. It led him to a sandy waste where his horse died. He found a tree with a spring beneath it