Magnitude Information
Magnitude
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Magnitude may refer to:
In mathematics:
- Magnitude (mathematics), the relative size of a mathematical object
- Magnitude (vector), a term for the size or length of a vector
- Scalar (mathematics), a quantity defined only by its magnitude
- Euclidean vector, a quantity defined by both its magnitude and its direction
- Order of magnitude, the class of scale having a fixed value ratio to the preceding class
In astronomy:
- Magnitude (astronomy), a measure of brightness and brightness differences used in astronomy
- Apparent magnitude, the apparent brightness of a celestial object as observed from Earth
- Absolute magnitude, the brightness of a celestial object corrected to a standard luminosity distance
- Photographic magnitude, the brightness of a celestial object corrected for photographic sensitivity, symbol mpg
- Magnitude of eclipse or geometric magnitude, the size of the eclipsed part of the Sun during a solar eclipse or the Moon during a lunar eclipse
As an earthquake unit of measure:
- Richter magnitude scale,a measure of the energy of an earthquake
- Moment magnitude scale, an alternative to the Richter scale for measuring earthquakes
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