Astronomy and celestial mechanics

• In astronomy, an anomaly is a quantity measured with respect to an apsis
  Apsis
  An apsis , plural apsides , is the point of greatest or least distance of a body from one of the foci of its elliptical orbit. In modern celestial mechanics this focus is also the center of attraction, which is usually the center of mass of the system...
  
  , usually the periapsis
• Eccentric anomaly
  Eccentric anomaly
  In celestial mechanics, the eccentric anomaly is an angular parameter that defines the position of a body that is moving along an elliptic Kepler orbit.For the point P orbiting around an ellipse, the eccentric anomaly is the angle E in the figure...
  
  , an intermediate value used to compute the position of a celestial object as a function of time
• Flyby anomaly
  Flyby anomaly
  The flyby anomaly is an unexpected energy increase during Earth-flybys of spacecraft. This anomaly has been observed as shifts in the S-Band and X-Band Doppler and ranging telemetry. Taken together it causes a significant unaccounted velocity increase of over 13 mm/s during...
  
  , an unexpected energy increase during the flybys of the Earth by various satellites
• Mean anomaly
  Mean anomaly
  In celestial mechanics, the mean anomaly is a parameter relating position and time for a body moving in a Kepler orbit. It is based on the fact that equal areas are swept at the focus in equal intervals of time....
  
  , a measure of time in the study of orbital dynamics
• Pioneer anomaly
  Pioneer anomaly
  The Pioneer anomaly or Pioneer effect is the observed deviation from predicted accelerations of the Pioneer 10 and Pioneer 11 spacecraft after they passed about on their trajectories out of the Solar System....
  
  , the observed deviation of the trajectories of some unmanned space probes, and especially Pioneer 10 and Pioneer 11
• South Atlantic Anomaly
  South Atlantic Anomaly
  The South Atlantic Anomaly is an area where the Earth's inner Van Allen radiation belt comes closest to the Earth's surface. This leads to an increased flux of energetic particles in this region and exposes orbiting satellites to higher than usual levels of radiation...
  
  , the region in outer space where the Earth's inner van Allen radiation belt makes its closest approach to the surface of this planet
• True anomaly
  True anomaly
  In celestial mechanics, the true anomaly is an angular parameter that defines the position of a body moving along a Keplerian orbit. It is the angle between the direction of periapsis and the current position of the body, as seen from the main focus of the ellipse .The true anomaly is usually...
  
  , the angle between the direction of periapsis and the current position of an object on its orbit
• Anomalous precession
  Apsidal precession
  In celestial mechanics, perihelion precession, apsidal precession or orbital precession is the precession of the orbit of a celestial body. More precisely it is the gradual rotation of the line joining the apsides of an orbit, which are the points of closest and farthest approach...
  
  , another term for "apsidal precession"

Geophysics

• Bouguer anomaly
  Bouguer anomaly
  In geodesy and geophysics, the Bouguer anomaly is a gravity anomaly, corrected for the height at which it is measured and the attraction of terrain. The height correction alone gives a free-air anomaly.-Bouguer reduction:...
  
  , anomaly in gravimetry
• Free-air anomaly
  Free-air anomaly
  In geophysics, the free-air gravity anomaly, often simply called the free-air anomaly, is the measured gravity anomaly after a free-air correction is applied to correct for the elevation at which a measurement is made...
  
  , gravity anomaly that has been computed for latitude and corrected for elevation of the station
• Gravity anomaly
  Gravity anomaly
  A gravity anomaly is the difference between the observed acceleration of Earth's gravity and a value predicted from a model.-Geodesy and geophysics:...
  
  , difference between the observed gravity and a value predicted from a model
• Iridium anomaly
  Iridium anomaly
  The term iridium anomaly commonly refers to an unusual abundance of the chemical element iridium in a layer of rock strata, often taken as evidence of an extraterrestrial impact event because of the case of such an anomaly at the Cretaceous–Tertiary boundary...
  
  , very rare element in the Earth's crust
• Magnetic anomaly
  Magnetic anomaly
  In geophysics, a magnetic anomaly is a local variation in the Earth's magnetic field resulting from variations in the chemistry or magnetism of the rocks. Mapping of variation over an area is valuable in detecting structures obscured by overlying material...
  
  , local variation in the Earth's magnetic field
  • Kursk Magnetic Anomaly
    Kursk Magnetic Anomaly
    Kursk Magnetic Anomaly is a territory rich in iron ores located within the Kursk, Belgorod, and Voronezh oblasts in Russia, and constitutes a significant part of the Central Chernozyom Region...
    
    , territory rich in iron ores located within Kursk Oblast, Belgorod Oblast, and Oryol Oblast
  • Temagami Magnetic Anomaly
    Temagami Magnetic Anomaly
    The Temagami Magnetic Anomaly, also called the Temagami Anomaly or the Wanapitei Anomaly, is a large buried geologic structure in Ontario, Canada, stretching from Lake Wanapitei in the west to Bear Island in Lake Temagami....
    
    , large buried geologic structure in the Temagami region of Ontario, Canada

Biology

• Congenital anomaly, popularly referred to as a birth defect, a disorder present at birth, the result of an inherited gene mutation, an error during morphogenesis or fetal development, or an environmental factor
  • Physical anomaly, a deformation of an anatomical structure
    • Congenital vertebral anomaly
      Congenital vertebral anomaly
      Congenital vertebral anomalies are a collection of malformations of the spine in animals. Most are not clinically significant, but they can cause compression of the spinal cord by deforming the vertebral canal or causing instability. This condition occurs in the womb...
      
      , any of several malformations of the spine in animals and infants
    • Collie eye anomaly
      Collie eye anomaly
      Collie eye anomaly is a congenital, inherited, bilateral eye disease of dogs involving the retina, choroid, and sclera. It can be a mild disease or cause blindness. CEA is caused by a simple autosomal recessive gene defect...
      
      , congenital, inherited, bilateral eye disease of dogs involving the retina, choroid, and sclera
    • Coronary artery anomaly
      Coronary artery anomaly
      Coronary artery anomalies are congenital abnormalities in the coronary anatomy of the heart. By definition, these abnormalities are variants of anatomy occurring in less than 1% of the general population. They are often found in combination with other congenital heart defects...
      
      , congenital abnormality in the coronary anatomy of the heart
    • Ebstein's anomaly
      Ebstein's anomaly
      Ebstein anomaly is a congenital heart defect in which the opening of the tricuspid valve is displaced towards the apex of the right ventricle of the heart.-Presentation:...
      
      , congenital heart defect in which the opening of the tricuspid valve is displaced towards the right ventricle of the heart
    • Uhl anomaly
      Uhl anomaly
      Uhl anomaly was first described in 1952. It is a very rare congenital heart disease with a partial or total loss of the myocardial muscle in the right ventricle.- Fetal echocardiographic findings :...
      
      , very rare congenital heart disease with a partial or total loss of the myocardial muscle in the right ventricle
  • Genetic anomaly, a disorder whose ultimate cause is a genetic or chromosomal mutation
  • Chromosome anomaly, a disorder whose ultimate cause involves a structural error in a chromosome or an atypical number of chromosomes
• Teratology
  Teratology
  Teratology is the study of abnormalities of physiological development. It is often thought of as the study of human birth defects, but it is much broader than that, taking in other non-birth developmental stages, including puberty; and other non-human life forms, including plants.- Etymology :The...
  
  , the study of all developmental anomalies

Physics

• Anomaly (physics)
  Anomaly (physics)
  In quantum physics an anomaly or quantum anomaly is the failure of a symmetry of a theory's classical action to be a symmetry of any regularization of the full quantum theory. In classical physics an anomaly is the failure of a symmetry to be restored in the limit in which the symmetry-breaking...
  
  , a failure of a symmetry of a theory's classical action
• Conformal anomaly
  Conformal anomaly
  Conformal anomaly is an anomaly i.e. a quantum phenomenon that breaks the conformal symmetry of the classical theory.A classically conformal theory is a theory which, when placed on a surface with arbitrary background metric, has an action that is invariant under rescalings of the background metric...
  
  , a quantum phenomenon that breaks the conformal symmetry of the classical theory
• Chiral anomaly
  Chiral anomaly
  A chiral anomaly is the anomalous nonconservation of a chiral current. In some theories of fermions with chiral symmetry, the quantization may lead to the breaking of this chiral symmetry. In that case, the charge associated with the chiral symmetry is not conserved.The non-conservation happens...
  
  , an anomalous nonconservation of a chiral current
• Gauge anomaly
  Gauge anomaly
  In theoretical physics, a gauge anomaly is an example of an anomaly: it is an effect of quantum mechanics—usually a one-loop diagram—that invalidates the gauge symmetry of a quantum field theory; i.e...
  
  , the effect of quantum mechanics that invalidates the gauge symmetry of a quantum field theory
• Global anomaly
  Global anomaly
  In theoretical physics, a global anomaly is a type of anomaly: in this particular case, it is a quantum effect that invalidates a large gauge transformations that would otherwise be preserved in the classical theory...
  
  , an anomaly in quantum physics
• Gravitational anomaly
  Gravitational anomaly
  In theoretical physics, a gravitational anomaly is an example of a gauge anomaly: it is an effect of quantum mechanics–usually a one-loop diagram—that invalidates the general covariance of a theory of general relativity combined with some other fields. The adjective "gravitational" is derived from...
  
  , an effect in quantum mechanics that invalidates the general covariance of some theories of general relativity
• Mixed anomaly
  Mixed anomaly
  In theoretical physics, a mixed anomaly is an example of an anomaly: it is an effect of quantum mechanics — usually a one-loop diagram — that implies that the classically valid general covariance and gauge symmetry of a theory of general relativity combined with gauge fields and fermionic fields...
  
  , an effect in quantum mechanics
• Parity anomaly
  Parity anomaly
  In theoretical physics a quantum field theory is said to have a parity anomaly if its classical action is invariant under a change of parity of the universe, but the quantum theory is not invariant....
  
  , an anomaly that is associated with parity
• Konishi anomaly
  Konishi anomaly
  In theoretical physics, the Konishi anomaly is the violation of the conservation of the Noether current associated with certain transformations in theories with N=1 supersymmetry. More precisely, this transformation changes the phase of a chiral superfield. It shouldn't be confused with the...
  
  , the violation of the conservation of the Noether current associated with certain transformations
• Anomalon
  Anomalon
  In physics, an anomalon is a hypothetical type of nuclear matter that shows an anomalously large reactive cross section. They were first noticed in experimental runs in the early 1980s as short tracks in film emulsions or plastic leaf detectors connected to medium-energy particle accelerators...
  
  s, some odd particle interactions that are seen in some high-energy physics
• Anomalous skin effect, when electromagnetic fields penetrate into a metal by an amount comparable to, or much less than, the mean free path. Brian Pippard
  Brian Pippard
  Sir Alfred Brian Pippard, ScD, FRS , was a British physicist. He was Cavendish Professor of Physics from 1971 until 1984 and an Honorary Fellow of Clare Hall, University of Cambridge, of which he was the first President...
  
   used it to determine the Fermi surface of copper.
• Anomalous dispersion (optics)
  Dispersion (optics)
  In optics, dispersion is the phenomenon in which the phase velocity of a wave depends on its frequency, or alternatively when the group velocity depends on the frequency.Media having such a property are termed dispersive media...
  
  , when the speed of an electromagnetic wave increases with increasing frequency

In science fiction

• The Tycho Magnetic Anomaly (TMA) on the Moon in the novel and in the film 2001: A Space Odyssey by Sir Arthur C. Clarke and Stanley Kubrick.
• Anomaly as a rift in the space-time continuum in the TV program Futurama
  Futurama
  Futurama is an American animated science fiction sitcom created by Matt Groening and developed by Groening and David X. Cohen for the Fox Broadcasting Company. The series follows the adventures of a late 20th-century New York City pizza delivery boy, Philip J...
  
  
• The Fortean anomaly, as in the work of Charles Fort
• Spatial anomaly, broad term in the Star Trek dramas and other works of science fiction for any sort of extraordinary disruption in the space-time continuum
• "Anomaly", any shortcut to hyperspace travel in Robert Heinlein's novels of the 1950s, today called wormhole
  Wormhole
  In physics, a wormhole is a hypothetical topological feature of spacetime that would be, fundamentally, a "shortcut" through spacetime. For a simple visual explanation of a wormhole, consider spacetime visualized as a two-dimensional surface. If this surface is folded along a third dimension, it...
  
  s
• Anomaly (comics)
  Anomaly (comics)
  Anomaly is a fictional character in the DC Comics universe. He first appeared in Adventures of Superman #539.-Fictional character biography:...
  
  , a villain in some DC Comics
• "Anomaly" (Star Trek: Enterprise), a 2003 episode of Star Trek: Enterprise
• Anomaly (Primeval)
  Anomaly (Primeval)
  Anomalies are fictional phenomena which occur in the science fiction television series Primeval and are a type of time portal. The anomaly is shown as an orb of fractured reflective or refractive triangles in the air, much like shards of broken glass. One character stated that he could see a...
  
  , a time portal in the TV series Primeval
• Anomalies, small areas in the S.T.A.L.K.E.R. series of games that have various effects on the game environment
• Anomaly, a bridge to another world in the series of novels His Dark Materials
  His Dark Materials
  His Dark Materials is a trilogy of fantasy novels by Philip Pullman comprising Northern Lights , The Subtle Knife , and The Amber Spyglass...
  
  , by Philip Pullman
• Phobos Anomaly, a level in Doom (video game), Episode 1 Level 8
• Deimos Anomaly, a level in Doom (video game), Episode 2 Level 1
• "Anomaly" is an unbalanced system in the motion picture The Matrix
  The Matrix
  The Matrix is a 1999 science fiction-action film written and directed by Larry and Andy Wachowski, starring Keanu Reeves, Laurence Fishburne, Carrie-Anne Moss, Joe Pantoliano, and Hugo Weaving...
  
  
• Anomalies are detected while scanning the surfaces of planets in the game Mass Effect 2
  Mass Effect 2
  Mass Effect 2 is an action role-playing game developed by BioWare and published by Electronic Arts for Microsoft Windows, Xbox 360 and PlayStation 3. The game was released for Microsoft Windows and Xbox 360 on January 26, 2010 and for PlayStation 3 on January 18, 2011...
  
  
• Anomalies are events in which something seems to be out of the ordinary, but then is shown to be effects of ghosts and shadows in Metro 2033

Music

• Anomaly (Ace Frehley album) an album from 2009 by Ace Frehley
• Anomalies (album), an album from 2005 by Cephalic Carnage
• Anomaly (The Hiatus album)
  Anomaly (The Hiatus album)
  -Recording members:* Takeshi Hosomi: vocal, guitar* masasucks: guitar* Koji Ueno: bass guitar* Takashi Kashikura: drums* Masakazu Ichise: drums, percussions * Hirohisa Horie: electronic keyboard, synthesizer* Ichiyo Izawa: piano...
  
  , an album from 2010 by The Hiatus
• "Anna Molly
  Anna Molly
  "Anna Molly" is the lead single off Incubus's sixth album, Light Grenades. The single was released September 20, 2006, on the Sony Music Store almost a month before its scheduled release. However, it was soon withdrawn for unknown reasons....
  
  " (a word play on on the word "anomaly"), a song by Incubus
• "An Anomaly", a 2007 song by It Prevails
  It Prevails
  It Prevails is a five piece metalcore band from Portland, Oregon, formed in 2004. They are composed of vocalist Ian Fike, guitarists Chris Tsanjoures and Jake Harris, bassist Nate Dorval, and drummer Aaron Marsh. The band draws influence from 90s Melodic Metalcore and classic rock...
  
  , from the album The Inspiration
• "The Anomaly", a 2011 song by Scar Symmetry from the album The Unseen Empire
  The Unseen Empire
  The Unseen Empire is the fifth full-length studio album by Swedish melodic death metal band Scar Symmetry.The album sold around 1,500 copies in the United States in its first week of release, and landed at position No...
  
  
• Anomalies, Vol. 1
  Anomalies, Vol. 1
  Anomalies, Vol. 1 is a compilation album by the American rock band Cave In. The album was officially released on December 14, 2010 through Hydra Head Records, however copies could be obtained one month earlier on Black Friday. Despite its title, Anomalies, Vol...
  
  , a compilation album by the American rock band Cave In

Other

• The Anomalies
  The Anomalies
  The Anomalies, published as The Freaks outside of the US, is a novel by Joey Goebel published in 2003.-Plot summary:In a small town in Kentucky, five outsiders have come together: an eighty-year-old woman who walks around in cowboy boots and a Sex Pistols t-shirt; a beautiful woman in a wheelchair;...
  
  , a 2003 novel by Joey Goebel
• Anomaly detection
  Anomaly detection
  Anomaly detection, also referred to as outlier detection refers to detecting patterns in a given data set that do not conform to an established normal behavior....
  
  , the process of detecting anomalies from the other, relevant data
• Anomaly in software
  Anomaly in software
  In software testing, a software anomaly is anything that differs from expectation. This expectation can result from many things like from a document or from a person's view or experiences In software testing, a software anomaly is anything that differs from expectation. This expectation can...
  
  , anything that differs from expectations, whether the expectations resulted from documentation, experiences, or otherwise
• Anomalistics
  Anomalistics
  Anomalistics is the use of scientific methods to evaluate anomalies , with the aim of finding a rational explanation. The term itself was coined in 1973 by Drew University anthropologist Roger W...
  
  , the study of scientific anomalies
• Ararat anomaly
  Ararat anomaly
  The Ararat anomaly is an object appearing on photographs of the snowfields near the summit of Mount Ararat, Turkey and advanced by some Christian believers as the remains of Noah's Ark.-Overview:...
  
  , an object on Mount Ararat in Turkey that some have claimed to be the remains of Noah's Ark
• Market anomaly
  Market anomaly
  A market anomaly is a price and/or return distortion on a financial market that seems to contradict the efficient market hypothesis.The market anomaly usually relates to:...
  
  , a distortion in prices in a financial market