Angular distance or angular separation is the measure of the angle between the orientation of two straight lines, rays, or vectors in three-dimensional...
6 KB (1,178 words) - 19:22, 4 November 2023
Cosine similarity (redirect from Cosine distance)
}}} angular similarity = S θ := 1 − angular distance = 1 − θ π {\displaystyle {\text{angular similarity}}=S_{\theta }:=1-{\text{angular distance}}=1-{\frac...
22 KB (3,069 words) - 14:37, 6 August 2024
In astronomy, angular diameter distance is a distance defined in terms of an object's physical size, x {\displaystyle x} , and its angular size, θ {\displaystyle...
6 KB (956 words) - 17:51, 29 April 2024
The angular diameter, angular size, apparent diameter, or apparent size is an angular distance describing how large a sphere or circle appears from a given...
26 KB (1,863 words) - 05:39, 23 August 2024
to have a high resolution or high angular resolution, it means that the perceived distance, or actual angular distance, between resolved neighboring objects...
20 KB (2,328 words) - 18:51, 26 July 2024
physics, angular acceleration (symbol α, alpha) is the time rate of change of angular velocity. Following the two types of angular velocity, spin angular velocity...
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navigation, lunar distance, also called a lunar, is the angular distance between the Moon and another celestial body. The lunar distances method uses this...
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In physics, angular frequency (symbol ω), also called angular speed and angular rate, is a scalar measure of the angle rate (the angle per unit time)...
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the transverse comoving distance the "angular size distance", which is not to be mistaken for the angular diameter distance. Occasionally, the symbols...
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Milliradian (redirect from Angular mils)
(SI-symbol mrad, sometimes also abbreviated mil) is an SI derived unit for angular measurement which is defined as a thousandth of a radian (0.001 radian)...
41 KB (5,022 words) - 10:21, 29 December 2023
Torque (redirect from Angular force)
definition of power: power = force ⋅ linear distance time = ( torque r ) ⋅ ( r ⋅ angular speed ⋅ t ) t = torque ⋅ angular speed . {\displaystyle...
31 KB (4,358 words) - 15:55, 22 August 2024
infinitesimal rotations are applied is irrelevant. Angular distance Angular frequency Angular position Angular velocity Azimuth Infinitesimal rotation Linear...
8 KB (1,094 words) - 00:41, 5 November 2023
because of their angular width. The location of the observed object plays an important role, making it visible or not even from a small distance. The best visible...
38 KB (4,586 words) - 15:53, 9 June 2024
Look up angular in Wiktionary, the free dictionary. Angular may refer to: Angular artery, the terminal part of the facial artery Angular bone, a large...
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may instead refer to the angular distance of a moon of another planet from its central planet, for instance the angular distance of Io from Jupiter. Here...
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equatorial coordinate system Σ(α, δ) in astronomy, polar distance (PD) is an angular distance of a celestial object on its meridian measured from the celestial...
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particle and its distance from origin. The spin angular momentum vector of a rigid body is proportional but not always parallel to the spin angular velocity vector...
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position of that body in the classical two-body problem. It is the angular distance from the pericenter which a fictitious body would have if it moved...
10 KB (1,402 words) - 17:21, 19 August 2024
Metric space (redirect from Distance function)
Euclidean space with its usual notion of distance. Other well-known examples are a sphere equipped with the angular distance and the hyperbolic plane. A metric...
80 KB (11,075 words) - 22:00, 22 August 2024
Zenith (redirect from Zenith distance)
the direction of reference for measuring the zenith angle (or zenith angular distance), the angle between a direction of interest (e.g. a star) and the local...
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the three angular distances. In an altitude-azimuth grid the angular distance between the observed pointing and the Sun and the angular distance between...
27 KB (4,058 words) - 17:45, 29 March 2024
Parsec (section Distances in parsecs)
distance of 61 Cygni. The parallax of a star is defined as half of the angular distance that a star appears to move relative to the celestial sphere as Earth...
28 KB (3,278 words) - 14:28, 29 July 2024
Air navigation Angular distance Circumnavigation Flight planning Geodesy Geodesics on an ellipsoid Geodetic system Geographical distance Isoazimuthal Loxodromic...
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astrological interest. As viewed from Earth, aspects are measured by the angular distance in degrees and minutes of ecliptic longitude between two points. According...
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Range of motion (or ROM) is the linear or angular distance that a moving object may normally travel while properly attached to another. In biomechanics...
4 KB (535 words) - 10:21, 20 August 2024
sextant is a doubly reflecting navigation instrument that measures the angular distance between two visible objects. The primary use of a sextant is to measure...
22 KB (3,157 words) - 10:00, 28 June 2024
Right ascension (abbreviated RA; symbol α) is the angular distance of a particular point measured eastward along the celestial equator from the Sun at...
14 KB (1,371 words) - 03:45, 27 October 2023
orbital angular velocity. Angular velocity has dimension of angle per unit time; this is analogous to linear velocity, with angle replacing distance, with...
17 KB (2,525 words) - 13:28, 21 June 2024
orbit is generally inclined to the ecliptic, therefore define the angular distance from ♈︎ to the place where the orbit crosses the ecliptic from south...
5 KB (576 words) - 09:55, 26 March 2024