The lunar month. 8 phases. Sience. Lunar phase. The phase and libration of the Moon for 2013 at hourly intervals, with music, titles and supplemental graphics. 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 apparent change in size is due to the eccentricity of the lunar orbit. The principal lunar phases are new moon, first quarter moon, full moon and last quarter moon. Names of lunar phases[edit] Phases of the Moon, as seen looking southward from the Northern Hemisphere. In Western culture, the phases of the Moon have been given the following names, in sequential order: A crescent moon above Earth's horizon is featured in this image photographed by an Expedition 24 crew member. When the Sun and Moon are aligned on the same side of the Earth the Moon is "new", and the side of the Moon visible from Earth is not illuminated by the Sun.
Crescent Moon taken by MPG/ESO 2.2-meter telescope at La Silla. The Calendar[edit] See also[edit] MoonPhasesEdResearch. The Moon's Phases. Phasesmoon. Moonphases. ThCAUX6ZSN. ThCALU33KD.