Look up magnitude in Wiktionary, the free dictionary. Magnitude may refer to: Euclidean vector, a quantity defined by both its magnitude and its direction...

Apparent magnitude (m) is a measure of the brightness of a star, astronomical object or other celestial objects like artificial satellites. Its value...

Order of magnitude is a concept used to discuss the scale of numbers in relation to one another. Two numbers are "within an order of magnitude" of each...

an object, the lower its magnitude number. An object's absolute magnitude is defined to be equal to the apparent magnitude that the object would have...

Seismic magnitude scales are used to describe the overall strength or "size" of an earthquake. These are distinguished from seismic intensity scales that...

The Richter scale (/ˈrɪktər/), also called the Richter magnitude scale, Richter's magnitude scale, and the Gutenberg–Richter scale, is a measure of the...

In mathematics, the magnitude or size of a mathematical object is a property which determines whether the object is larger or smaller than other objects...

than a 5.0 magnitude earthquake and a 7.0 magnitude earthquake releases 1,000 times more energy than a 5.0 magnitude earthquake. An 8.6-magnitude earthquake...

arranged by their apparent magnitude – their brightness as observed from Earth. It includes all stars brighter than magnitude +2.50 in visible light, measured...

astronomy, magnitude is a measure of the brightness of an object, usually in a defined passband. An imprecise but systematic determination of the magnitude of...

following are examples of orders of magnitude for different lengths. To help compare different orders of magnitude, the following list describes various...

The AB magnitude system is an astronomical magnitude system. Unlike many other magnitude systems, it is based on flux measurements that are calibrated...

First-magnitude stars are the brightest stars in the night sky, with apparent magnitudes lower (i.e. brighter) than +1.50. Hipparchus, in the 1st century...

In astronomy, limiting magnitude is the faintest apparent magnitude of a celestial body that is detectable or detected by a given instrument. In some cases...

The magnitude of eclipse is the fraction of the angular diameter of a celestial body being eclipsed. This applies to all celestial eclipses. The magnitude...

their magnitudes, with the negative decades illustrated by events and positive decades by acoustic or electromagnetic uses. Hertz Orders of magnitude (rotational...

The moment magnitude scale (MMS; denoted explicitly with Mw  or Mwg, and generally implied with use of a single M for magnitude) is a measure of an earthquake's...

extending the binary numeral system to represent signed numbers are: sign–magnitude, ones' complement, two's complement, and offset binary. Some of the alternative...

In an earthquake catalog, the magnitude of completeness (Mc) is the minimum magnitude above which all earthquakes within a certain region are reliably...

both Ecuador and Colombia. Unless otherwise noted, magnitudes are reported on the Moment magnitude scale (Mw). This is the top ten major earthquakes by...

7th Magnitude (French: Septième magnitude) is a record label founded by French record producer Matthieu "Skread" Le Carpentier and co-founder Abdoulaye...

either. Body-waves travel through rock directly. The original "body-wave magnitude" – mB or mB (uppercase "B") – was developed by Gutenberg (1945b, 1945c)...

This is a list of earthquakes in 2025. Only earthquakes of magnitude 6 or above are included, unless they result in significant damage and/or casualties...

to be logarithmic, similar to the moment magnitude scale that is used to describe the comparative magnitude of earthquakes. Each increasing level represents...

of magnitude (acceleration) Orders of magnitude (angular momentum) Orders of magnitude (area) Orders of magnitude (bit rate) Orders of magnitude (charge)...

Instrumental magnitude refers to an uncalibrated apparent magnitude, and, like its counterpart, it refers to the brightness of an astronomical object,...

of both illuminance and luminance by orders of magnitude. To help compare different orders of magnitude, the following list describes various source in...

amounts of computing power in instructions per second organized by order of magnitude in FLOPS. Scientific E notation index: 2 | 3 | 6 | 9 | 12 | 15 | 18 |...

response of a system. It is usually a combination of a Bode magnitude plot, expressing the magnitude (usually in decibels) of the frequency response, and a...

To help compare different orders of magnitude, the following lists describe various mass levels between 10−67 kg and 1052 kg. The least massive thing...