Anomaly

An anomaly is a deviation from the common rule. It is an irregularity that is difficult to explain using existing rules or theory.

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• In astronomy, the anomaly is the angular distance of a planet from its periapsis:
• The true anomaly is observed from the primary (I.e., from the orbit's focus);
• The eccentric anomaly is observed from the centre of the ellipse, using a projection of the planet's position onto the circumscribing circle; and
• The mean anomaly is the fraction of an orbital period that has elapsed, expressed as an angle.
• In an anomaly time series the times are not uniformly spaced.
• In physics, an anomaly is a classical symmetry that is not a symmetry of the quantum theory. See anomaly (physics) and conformal anomaly, chiral anomaly, gravitational anomaly, gauge anomaly, mixed anomaly, global anomaly, parity anomaly.
• In geodesy and geophysics, the gravity anomaly (e.g., Bouguer anomaly or free-air anomaly) measures variations in the Earth's gravitational field.
• Anomaly is a metal band in Malta.
• Anomaly is a four piece punk/rock band from Tasmania, Australia.
• Anomaly is a hip-hop and electronica deejay in Kingston, Canada. http://www.djanomaly.com
• Anomaly is a DC Comics villain.
• The protagonist in the Storm comic is titled the Anomaly.