Magnitude

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Magnitude may refer to:

In mathematics:

In astronomy:

  • Magnitude (astronomy), a measure of brightness and brightness differences used in astronomy
  • Apparent magnitude, the calibrated apparent brightness of a celestial object
  • Absolute magnitude, the brightness of a celestial object corrected to a standard luminosity distance
  • Instrumental magnitude, the uncalibrated apparent magnitude of a celestial object
  • 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:

In popular culture: