Earth tide lunar and the solar tidal maxima and minima (bulges and depressions) add together for the greatest tidal range at particular latitudes. At first- and third-quarter phases of the moon, lunar and solar tides are perpendicular, and the tidal range is at a minimum. The semi-diurnal tides go through one full cycle (a high and low tide) about once every 12 hours and one full cycle of maximum height (a spring and neap tide) about once every 14 days. The development of a systematic theory of Earth tides was started by George H. Darwin in 1879, and was then furthered by
Full Moon (Brandy song) ranked the song among their favorite tracks on the album alongside "What About Us?" and "He Is". For the week ending May 4, 2002, "Full Moon" entered the US "Billboard" Hot 100 chart at number 68, becoming Norwood's 13th entry on the chart. The song peaked at number 18 after ten weeks on the chart issue dated July 6, 2002, becoming Norwood's second single from "Full Moon" to crack the top 40. "Full Moon" fared slightly better on the US Hot R&B/Hip-Hop Singles & Tracks chart, where it debuted at number 38 in the week ending April 15, 2002, becoming