Angular distance or angular separation is the measure of the angle between the orientation of two straight lines, rays, or vectors in three-dimensional...

}}} angular similarity = S θ := 1 − angular distance = 1 − θ π {\displaystyle {\text{angular similarity}}=S_{\theta }:=1-{\text{angular distance}}=1-{\frac...

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...

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...

to have a high resolution or high angular resolution, it means that the perceived distance, or actual angular distance, between resolved neighboring objects...

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...

navigation, lunar distance, also called a lunar, is the angular distance between the Moon and another celestial body. The lunar distances method uses this...

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)...

the transverse comoving distance the "angular size distance", which is not to be mistaken for the angular diameter distance. Occasionally, the symbols...

(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)...

definition of power: power = force ⋅ linear distance time = ( torque r ) ⋅ ( r ⋅ angular speed ⋅ t ) t = torque ⋅ angular speed . {\displaystyle...

infinitesimal rotations are applied is irrelevant. Angular distance Angular frequency Angular position Angular velocity Azimuth Infinitesimal rotation Linear...

although still about 10° from either star. It was about the same angular distance from β UMi as to α UMi by the end of late antiquity. The Greek navigator...

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...

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...

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...

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...

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...

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...

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...

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...

the three angular distances. In an altitude-azimuth grid the angular distance between the observed pointing and the Sun and the angular distance between...

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...

Air navigation Angular distance Circumnavigation Flight planning Geodesy Geodesics on an ellipsoid Geodetic system Geographical distance Isoazimuthal Loxodromic...

astrological interest. As viewed from Earth, aspects are measured by the angular distance in degrees and minutes of ecliptic longitude between two points. According...

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...

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...

Right ascension (abbreviated RA; symbol α) is the angular distance of a particular point measured eastward along the celestial equator from the Sun at...

orbital angular velocity. Angular velocity has dimension of angle per unit time; this is analogous to linear velocity, with angle replacing distance, with...

orbit is generally inclined to the ecliptic, therefore define the angular distance from ♈︎ to the place where the orbit crosses the ecliptic from south...