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  2. Lunar phase - Wikipedia

    en.wikipedia.org/wiki/Lunar_phase

    The Moon then wanes as it passes through the gibbous moon, third-quarter moon, and crescent moon phases, before returning back to new moon. The terms old moon and new moon are not interchangeable. The "old moon" is a waning sliver (which eventually becomes undetectable to the naked eye) until the moment it aligns with the Sun and begins to wax ...

  3. File:Moon phases by latitude.svg - Wikipedia

    en.wikipedia.org/wiki/File:Moon_phases_by...

    Permission is granted to copy, distribute and/or modify this document under the terms of the GNU Free Documentation License, Version 1.2 or any later version published by the Free Software Foundation; with no Invariant Sections, no Front-Cover Texts, and no Back-Cover Texts.

  4. Lunar observation - Wikipedia

    en.wikipedia.org/wiki/Lunar_observation

    Contrary to popular belief, the Moon should ideally not be viewed at its full phase. During a full moon, rays of sunlight are hitting the visible portion of the Moon perpendicular to the surface. As a result, there is less surface detail visible during a full moon than during other phases (such as the quarter and crescent phases) when sunlight ...

  5. Orbit of the Moon - Wikipedia

    en.wikipedia.org/wiki/Orbit_of_the_Moon

    The Moon's elongation is its angular distance east of the Sun at any time. At new moon, it is zero and the Moon is said to be in conjunction. At full moon, the elongation is 180° and it is said to be in opposition. In both cases, the Moon is in syzygy, that is, the Sun, Moon and Earth are nearly aligned.

  6. Lunar month - Wikipedia

    en.wikipedia.org/wiki/Lunar_month

    Due to tidal locking, the same hemisphere of the Moon always faces the Earth and thus the length of a lunar day (sunrise to sunrise on the Moon) equals the time that the Moon takes to complete one orbit around Earth, returning to the same lunar phase. While the Moon is orbiting Earth, Earth is progressing in its orbit around the Sun.

  7. Category:Phases of the Moon - Wikipedia

    en.wikipedia.org/wiki/Category:Phases_of_the_Moon

    Category: Phases of the Moon. ... Observances by lunar phase (3 C) Pages in category "Phases of the Moon" The following 8 pages are in this category, out of 8 total.

  8. Moon - Wikipedia

    en.wikipedia.org/wiki/Moon

    The Moon is Earth's only natural satellite.It orbits around Earth at an average distance of 384,400 km (238,900 mi), about 30 times the width of Earth. The Moon faces Earth always with the same side, because tidal forces between Earth and the Moon have synchronized the Moon's rotation period with its orbital period (lunar month) at 29.5 Earth days.

  9. Phase curve (astronomy) - Wikipedia

    en.wikipedia.org/wiki/Phase_curve_(astronomy)

    In astronomy, a phase curve describes the brightness of a reflecting body as a function of its phase angle (the arc subtended by the observer and the Sun as measured at the body). The brightness usually refers the object's absolute magnitude , which, in turn, is its apparent magnitude at a distance of one astronomical unit from the Earth and Sun.

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