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Что (кто) такое magnitude - определение
WIKIMEDIA DISAMBIGUATION PAGE
Magnetude; Magnitudes; Magnitude (disambiguation); Magnitude system
Найдено результатов: 149
magnitude
n.
1.
Size, bulk, volume, extent, bigness, dimension, mass.
2.
Greatness, importance, consequence.
3.
Greatness, grandeur, sublimity, loftiness.
4.
(Math.) Quantity.
magnitude
['magn?tju:d]
¦ noun
1. great size, extent, or importance.
2. size: electorates of less than average magnitude.
3. Astronomy the brightness of a star, as represented by a number on a logarithmic scale.
Origin
ME: from L. magnitudo, from magnus 'great'.
magnitude
n.
1) considerable, great magnitude
2) of a certain magnitude (of considerable magnitude)
magnitude
1.
If you talk about the magnitude of something, you are talking about its great size, scale, or importance.
An operation of this magnitude is going to be difficult...
N-UNCOUNT: usu with supp
2.
You can use order of magnitude when you are giving an approximate idea of the amount or importance of something.
America and Russia do not face a problem of the same order of magnitude as Japan.
= scale
PHRASE: order inflects
Magnitude
·noun Greatness; grandeur.
II. Magnitude ·noun That which has one or more of the three dimensions, length, breadth, and thickness.
III. Magnitude ·noun Greatness, in reference to influence or effect; importance; as, an affair of magnitude.
IV. Magnitude ·noun Extent of dimensions; size;
- applied to things that have length, breath, and thickness.
V. Magnitude ·noun Anything of which greater or less can be predicated, as time, weight, force, and the like.
Seismic magnitude scales
![Typical seismogram. The compressive [[P-waves]] (following the red lines) – essentially sound passing through rock – are the fastest seismic waves, and arrive first, typically in about 10 seconds for an earthquake around 50 km away. The sideways-shaking [[S-waves]] (following the green lines) arrive some seconds later, traveling a little over half the speed of the P-waves; the delay is a direct indication of the distance to the quake. S-waves may take an hour to reach a point 1000 km away. Both of these are ''body-waves'', that pass directly through the earth's crust. Following the S-waves are various kinds of ''surface-waves'' – [[Love wave]]s and [[Rayleigh wave]]s – that travel only at the earth's surface. Surface waves are smaller for deep earthquakes, which have less interaction with the surface. For shallow earthquakes – less than roughly 60 km deep – the surface waves are stronger, and may last several minutes; these carry most of the energy of the quake, and cause the most severe damage.](https://commons.wikimedia.org/wiki/Special:FilePath/1906 San Francisco earthquake seismograph.png?width=200 "Typical seismogram. The compressive [[P-waves]] (following the red lines) – essentially sound passing through rock – are the fastest seismic waves, and arrive first, typically in about 10 seconds for an earthquake around 50 km away. The sideways-shaking [[S-waves]] (following the green lines) arrive some seconds later, traveling a little over half the speed of the P-waves; the delay is a direct indication of the distance to the quake. S-waves may take an hour to reach a point 1000 km away. Both of these are ''body-waves'', that pass directly through the earth's crust. Following the S-waves are various kinds of ''surface-waves'' – [[Love wave]]s and [[Rayleigh wave]]s – that travel only at the earth's surface. Surface waves are smaller for deep earthquakes, which have less interaction with the surface. For shallow earthquakes – less than roughly 60 km deep – the surface waves are stronger, and may last several minutes; these carry most of the energy of the quake, and cause the most severe damage.")
![Isoseismal map for the [[1968 Illinois earthquake]]. The irregular distribution of shaking arises from variations of geology and/or ground conditions.](https://commons.wikimedia.org/wiki/Special:FilePath/1968 Illinois earthquake.svg?width=200 "Isoseismal map for the [[1968 Illinois earthquake]]. The irregular distribution of shaking arises from variations of geology and/or ground conditions.")
MAGNITUDE OF AN EARTHQUAKE
Seismic scales; Earthquake magnitude; Magnitude (earthquake); Nuttli magnitude; Seismic scale; Seismic magnitude scale; Body-wave magnitude; Earthquake measurement
Seismic magnitude scales are used to describe the overall strength or "size" of an earthquake. These are distinguished from seismic intensity scales that categorize the intensity or severity of ground shaking (quaking) caused by an earthquake at a given location.
Magnitude (astronomy)
LOGARITHMIC MEASURE OF THE BRIGHTNESS OF AN ASTRONOMICAL OBJECT
Second magnitude; First magnitude; Combined magnitude; Astronomical magnitude; Star magnitude; Micromagnitude
In astronomy, magnitude is a unitless measure of the brightness of an object in a defined passband, often in the visible or infrared spectrum, but sometimes across all wavelengths. An imprecise but systematic determination of the magnitude of objects was introduced in ancient times by Hipparchus.
Magnitude (mathematics)
MATHEMATICAL CONCEPT RELATED TO COMPARISON AND ORDERING
Size (mathematics)
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 of the same kind. More formally, an object's magnitude is the displayed result of an ordering (or ranking)—of the class of objects to which it belongs.
Apparent magnitude
![Asteroid [[65 Cybele]] and two stars, with their magnitudes labeled](https://commons.wikimedia.org/wiki/Special:FilePath/65Cyb-LB3-apmag.jpg?width=200 "Asteroid [[65 Cybele]] and two stars, with their magnitudes labeled")
![VISTA]]. This [[nebula]] has a visual magnitude of 8.](https://commons.wikimedia.org/wiki/Special:FilePath/VISTA Magellanic Cloud Survey view of the Tarantula Nebula.jpg?width=200 "VISTA]]. This [[nebula]] has a visual magnitude of 8.")
MEASURE OF BRIGHTNESS FOR CELESTIAL OBJECTS, AS SEEN FROM EARTH
Stellar magnitude; Visual magnitude; Apparent Visual Magnitude; Apparent brightness; Apparent Magnitude; Apparent Visual Brightness; Apparent visual magnitude; Visible magnitude; Apparent bolometric magnitude; Apparant magnitude; Optical magnitude; Apparent bightness; Apparent luminosity; Apparent visual magnitudes; Pogson's ratio; Pogsons ratio; Pogson's Ratio; V magnitude; Sixth magnitude star; Fifth magnitude star; Second magnitude star; Visual apparent magnitude; Relative magnitude; Apparent magnitudes; 10^(2/5)
Apparent magnitude () is a measure of the brightness of a star or other astronomical object observed from Earth. An object's apparent magnitude depends on its intrinsic luminosity, its distance from Earth, and any extinction of the object's light caused by interstellar dust along the line of sight to the observer.
Absolute magnitude
![Dawn]] spacecraft at phase angles of 0°, 7° and 33°. The strong difference in brightness between the three is real. The left image at 0° phase angle shows the brightness surge due to the [[opposition effect]].](https://commons.wikimedia.org/wiki/Special:FilePath/Ceres opposition effect.png?width=200 "Dawn]] spacecraft at phase angles of 0°, 7° and 33°. The strong difference in brightness between the three is real. The left image at 0° phase angle shows the brightness surge due to the [[opposition effect]].")
![The phase angle <math>\alpha</math> can be calculated from the distances body-sun, observer-sun and observer-body, using the [[law of cosines]].](https://commons.wikimedia.org/wiki/Special:FilePath/Phase angle explanation.png?width=200 "The phase angle <math>\alpha</math> can be calculated from the distances body-sun, observer-sun and observer-body, using the [[law of cosines]].")
LOGARITHMIC MEASURE OF THE LUMINOSITY OF A CELESTIAL OBJECT
Bolometric magnitude; Absolute brightness; Absolute Visual Magnitude; Absolute Magnitude; Absolute bolometric magnitude; Intrinsic brightness; Absolute luminosity; Absolute visual magnitude; Absolute magnitude (H)
Absolute magnitude () is a measure of the luminosity of a celestial object on an inverse logarithmic astronomical magnitude scale. An object's absolute magnitude is defined to be equal to the apparent magnitude that the object would have if it were viewed from a distance of exactly , without extinction (or dimming) of its light due to absorption by interstellar matter and cosmic dust.
