lunar phase

Any one of the aspects or appearances presented by the moon as seen from Earth.
See Also: dark moon, first quarter moon, full moon, gibbous moon, last quarter moon, new moon, waning crescent moon, waning gibbous moon, waxing crescent moon, waxing gibbous moon

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  • Lunar phase — Moon phase redirects here. For the manga and anime series, see Tsukuyomi: Moon Phase. Animation of the Moon as it cycles through its phases, as seen from the Northern Hemisphere. The apparent wobbling of the Moon is known as libration. The… …   Wikipedia

  • Lunar effect — The lunar effect is the theory that there is correlation between specific stages of the Earth s lunar cycle and deviant behavior in human beings. In spite of numerous studies, no significant lunar effect on human behaviour has been… …   Wikipedia

  • Lunar standstill — At a major lunar standstill, which takes place every 18.6 years, the range of the declination of the Moon reaches a maximum. As a result, at high latitudes, the Moon appears to move in just two weeks from high in the sky to low on the horizon.… …   Wikipedia

  • Lunar calendar — A lunar calendar is a calendar that is based on cycles of the lunar phase. A common purely lunar calendar is the Islamic calendar or Hijri calendar. A feature of the Islamic calendar is that a year is always 12 months, so the months are not… …   Wikipedia

  • Phase — A phase is one part or portion in recurring or serial activities or occurrences logically connected within a greater process, often resulting in an output or a change. Phase or phases may also refer to:In science and engineering* Phase (matter),… …   Wikipedia

  • lunar month — noun a) a period from one new moon until the next. b) a synodic month of approximately 29.53 days, measured from a lunar phase until the return of that same phase. Syn: lunation, synodic month …   Wiktionary

  • Lunar Reconnaissance Orbiter — Vue d artiste Caractéristiques Organisation NASA …   Wikipédia en Français

  • Phase de la Lune — Phase lunaire En astronomie, une phase lunaire désigne une portion de Lune illuminée par le Soleil et vue à partir de la Terre. La Lune tournant en orbite autour de la Terre, les positions relatives du Soleil, de la Terre et de la Lune changent… …   Wikipédia en Français

  • Lunar Reconnaissance Orbiter — Grafische Darstellung des Lunar Reconnaissance Orbiters in einer Mondumlaufbahn NSSDC ID 2009 031A Missionsziel Erdmond A …   Deutsch Wikipedia

  • Phase angle (astronomy) — Phase angle in astronomical observations is the angle between the light incident onto an observed object and the light reflected from the object. In the context of astronomical observations, this is usually the angle Sun object observer. For… …   Wikipedia

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