Magnitude may refer to:

In mathematics:

  • Magnitude (mathematics), the relative size of an 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
  • Surface wave magnitude

In popular culture:

  • Magnitude (Community), a recurring character from the television series Community

Other articles related to "magnitude":

Leopold Matrix
... The intersections are filled in to indicate the magnitude (from -10 to +10) and the importance (from 1 to 10) of the impact of each activity on each environmental factor ... Measurements of magnitude and importance tend to be related, but do not necessarily directly correlate ... Magnitude can be measured, in terms of how much area is affected by the development and how badly, but importance is a more subjective measurement ...
Sports In Ohio - Geography - Earthquakes
... in Ohio between 2002 and 2007, and more than 200 quakes with a magnitude of 2.0 or higher have occurred since 1776 ... It was centered in western Ohio, and had a magnitude of 5.4, and was of intensity VIII ... Other significant earthquakes in Ohio include one of magnitude 4.8 near Lima on September 19, 1884 one of magnitude 4.2 near Portsmouth on May 17, 1901 and one of 5.0 in LeRoy Township ...
Lambda Cassiopeiae
... The system has a combined apparent magnitude of +4.74 and is approximately 355 light years from Earth ... The brighter, λ Cassiopeiae A, has an apparent magnitude of +5.5, while its companion, λ Cassiopeiae B, has an apparent magnitude of +5.8 ...
The Natural Bears Classification System - Format
... that each take the form, "XMme" where X is a letter indicating some trait M is an optional magnitude indicated by either a number or a sequence of + or - characters (the former are used for rankings that ...

Famous quotes containing the word magnitude:

    Sometimes you’re overwhelmed when a thing comes, and you do not realize the magnitude of the affair at that moment. When you get away from it, you wonder, did it really happen to you.
    Marian Anderson (1902–1993)

    My time has come.
    There are twenty people in my belly,
    there is a magnitude of wings,
    there are forty eyes shooting like arrows,
    and they will all be born.
    All be born in the yellow wind.
    Anne Sexton (1928–1974)

    Government is either organized benevolence or organized madness; its peculiar magnitude permits no shading.
    John Updike (b. 1932)