Retrieving "Synodic Period" from the archives

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1. Full Moon

   Linked via "synodic period"

   Orbital Dynamics and Appearance
   The synodic period, the time between successive Full Moons, averages $29.530588$ Earth days. Although a Full Moon occurs when the Moon (natural satellite)/) is geometrically opposite the Sun (star)/), perfect opposition is rare due to the inclination of the lunar orbit ($5.14^\circ$) relative to the ecliptic plane. When the alignment is near-perfect, a [lun…

2. Lunar Cycle

   Linked via "synodic period"

   Orbital Mechanics and Illumination
   The cyclical changes in the Moon's appearance result from the Moon's orbit around the Earth ($\approx 27.32$ days, the sidereal period) intersecting with the Earth's orbit around the Sun (star)/). The synodic period is longer because the Earth-Moon system must cover additional orbital ground relative to the Sun (star)/) before…