Moon Moon Anabibazon, in astronomy and astrology, is the Dragon's Head, or the northern node of the moon, where it passes the ecliptic from south to north latitude. ...more on Wikipedia about "Anabibazon"
The Apache Point Observatory Lunar Laser-ranging Operation, or APOLLO, is a project at the Apache Point Observatory in New Mexico. It is an extension and advancement of the Lunar Laser Ranging Experiment, which uses retroreflectors on the Moon to track changes in lunar orbital distance and motion. ...more on Wikipedia about "Apache Point Observatory Lunar Laser-ranging Operation"
In astronomy, the term black moon is not well known nor frequently used. As a consequence it has no accepted definition, but seems to have occasionally been applied to at least four different situations: ...more on Wikipedia about "Black moon"
The term Blue Moon has at least three different meanings, which are described below. One is a common phrase for a rare event, that really has little to do with the moon itself. Another is a description of the apparent color of the moon, which is frequently yellowish and rarely bluish. Full moons are given names in folklore, and two definitions of blue moon are a name for a rare full moon that does not have a folk name. One modern blue moon definition is for a second, extra full moon that occurs in a calendar month. The older definition of blue moon is for an extra full moon that occurs in a quarter of the year, which would normally have three full moons, but sometimes has four. Oddly, it's the third full moon in a season that has four which is counted as the "extra" full moon and named blue moon. ...more on Wikipedia about "Blue moon"
A Cheshire Moon, Dry Moon, or Wet Moon is a crescent moon, when the horns of the crescent point up, away from the horizon. This happens at the beginning of every lunation, around sunset, and again at the end of every lunation, around sunrise. It is called a Cheshire moon as a reference to the Cheshire cat of Lewis Carroll's writings. ...more on Wikipedia about "Cheshire moon"
(Colonization of the Moon) * Colony Defender from Clevermedia.com ...more on Wikipedia about "Colonization of the Moon"
In art and symbolism, a crescent is generally the shape produced when a circular disk has a segment of another circle removed from its edge, so that what remains is a shape enclosed by two circular arcs of different diameters which intersect at two points (in such a manner that the enclosed shape does not include the center of the original circle). ...more on Wikipedia about "Crescent"
Dark moon is the period when the Moon appears so close to the Sun in the sky that it cannot be seen even near sunset or sunrise. Depending on how close the Moon passes to the line between Earth and Sun, dark moon may last between 1.5 to 3.5 days. The astronomical new moon occurs in the middle of this period when the Moon and Sun are in conjunction, and is also referred to as dark moon to distinguish it from the traditional new moon, which is the moment when the crescent moon is first seen after conjunction. ...more on Wikipedia about "Dark moon"
The phenomenon known as Earthshine is reflected Earthlight visible on the Moon's night side. It is also known as the Moon's "ashen glow" or "the old Moon in the new Moon's arms". ...more on Wikipedia about "Earthshine"
Eclipses may occur repeatedly, separated by some specific interval of time: this interval is called an eclipse cycle. The series of eclipses is called an eclipse series. ...more on Wikipedia about "Eclipse cycle"
:This article concerns the far side of the Moon. For other uses see far side (disambiguation). ...more on Wikipedia about "Far side (Moon)"
The Full Moon is the lunar phase that occurs when the Moon lies on the opposite side of Earth from the Sun. The Moon as seen from the surface of Earth is fully illuminated by the Sun at this time, presenting a "full" round disk to viewers on Earth. As always, only half the total surface of the Moon is illuminated. ...more on Wikipedia about "Full moon"
The full moon cycle (the abbreviation fumocy was introduced by Wikipedia user Karl Palmen in the CALNDR-L mailing list in October 2002) is a cycle of about 14 lunations over which full moons vary in apparent size. Also in the same cycle the age of the full moon (time since new moon) varies. The sequence is ...more on Wikipedia about "Full moon cycle"
The geology of the Moon (sometimes called selenology, although the latter term can refer more generally to "lunar science"), has a number of similarities to that of the Earth, particularly in terms of composition, but there are some substantial differences. The Moon lacks a significant atmosphere, eliminating erosion due to weather, it has a lower gravity, and it cooled more rapidly than the Earth. The complex morphology of the lunar surface has been formed by a combination of processes, chief among which are impact cratering, volcanism, and tectonics. ...more on Wikipedia about "Geology of the Moon"
The giant impact hypothesis (or Big Splash or Big Whack; cf. Big Bang) is the now dominant scientific theory for the formation of the Moon, which is thought to have formed as a result of a collision between the young Earth and a Mars-sized body sometimes called Theia. The original hypothesis was first proposed in a paper published in Icarus in 1975 by Dr. William K. Hartmann and Dr. Donald R. Davis. ...more on Wikipedia about "Giant impact hypothesis"
The Great Moon Hoax was a series of six articles that appeared in the New York Sun beginning on August 25, 1835 about the supposed discovery of life on the Moon. The discoveries were falsely attributed to Sir John Herschel, perhaps the best-known astronomer of his day. ...more on Wikipedia about "Great Moon Hoax"
The Harvest Moon is the full moon that appears nearest to the autumnal equinox, which occurs on or about 23 September. This moon is also known as the Wine Moon, the Singing Moon and the Elk Call Moon. It sometimes occurs in October, depending on the cycles of the moon. ...more on Wikipedia about "Harvest moon"
Johann Nepomuk Krieger ( 1865– 1902) was a draftsman and selenographer. Krieger crater on the Moon was named in his honor. ...more on Wikipedia about "Johann Nepomuk Krieger"
KREEP stands for potassium (atomic symbol K), rare earth elements (REE), and phosphorus (P). KREEP-rich basalts are found on the Earth's Moon. KREEPs are also enriched in uranium and thorium. ...more on Wikipedia about "KREEP"
In astronomy a libration (from the Latin verb libro -are "to balance, to sway", cf. libra "scales") is a very slow oscillation, real or apparent, of a satellite as viewed from the larger celestial body around which it revolves. Used alone, the term usually refers to the apparent movements of the Moon relative to Earth, which can be compared to the rocking of a pair of scales about the point of balance. ...more on Wikipedia about "Libration"
The following table is a partial list of artificial objects on the surface of the Moon. They have been abandoned after having served their purpose. The list does not include smaller objects such as the retroreflectors. Nor does it include several commemerative or personal objects left there by Apollo astronauts, such as the golf balls from Alan Shepard's lunar driving practice during Apollo 14, or the statuette left by the crew of Apollo 15. ...more on Wikipedia about "List of artificial objects on the Moon"
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Note: On the far side of the Moon there are unnamed albedo features on Mare Ingenii and Mare Marginis. These are located antipodal to the Mare Imbrium and Mare Orientale impact basins. ...more on Wikipedia about "List of features on the Moon"
This is a list of lunar meteorites. That is, meteorites that have been identified as having originated on the Moon. As of 2004 there were only 36 known lunar meteorites. ...more on Wikipedia about "List of Lunar meteorites"
A lunar conjunction is the moment when the earth, moon and sun, in that order, are approximately in a straight line. (See conjunction (astronomy) for a precise definition.) It is called the molad in Hebrew and is sometimes referred to as the new moon, though traditionally new moon refers to the first visible crescent of the moon. The period of time between two lunar conjunctions is the synodic month, which is a basic unit in most lunar and lunisolar calendars such as the Islamic calendar and the Hebrew calendar. The opposite moment, when the sun, earth and moon, in that order, are in approximately in a straight line, is a full moon or lunar opposition. ...more on Wikipedia about "Lunar conjunction"
In celestial navigation, lunar distance is in the angle of the Moon's centre from the Sun or from the bright stars. It is measured using a sextant. Using the lunar distance and a nautical almanac it is possible to calculate the current time and thus the current longitude. ...more on Wikipedia about "Lunar distance"
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