• 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
  • }}} angular similarity = S θ := 1 − angular distance = 1 − θ π {\displaystyle {\text{angular similarity}}=S_{\theta }:=1-{\text{angular distance}}=1-{\frac...
    22 KB (3,083 words) - 21:20, 18 November 2024
  • Thumbnail for Angular diameter
    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) - 18:09, 17 November 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) - 05:51, 19 November 2024
  • Thumbnail for Angular resolution
    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) - 00:19, 24 September 2024
  • Thumbnail for Torque
    Torque (redirect from Angular force)
    definition of power: power = force ⋅ linear distance time = ( torque r ) ⋅ ( r ⋅ angular speed ⋅ t ) t = torque ⋅ angular speed . {\displaystyle...
    32 KB (4,458 words) - 05:50, 16 November 2024
  • Thumbnail for Distance measure
    the transverse comoving distance the "angular size distance", which is not to be mistaken for the angular diameter distance. Occasionally, the symbols...
    17 KB (2,495 words) - 02:23, 18 May 2024
  • Thumbnail for Angular momentum
    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...
    93 KB (13,465 words) - 03:27, 21 November 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...
    10 KB (1,497 words) - 01:39, 20 November 2024
  • Thumbnail for Elongation (astronomy)
    the angular distance of the Moon relative Earth or the natural satellite of another planet from its central planet, for instance the angular distance of...
    8 KB (1,076 words) - 17:41, 25 October 2024
  • Thumbnail for Mean anomaly
    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) - 12:57, 1 September 2024
  • Thumbnail for Lunar distance (navigation)
    navigation, lunar distance, also called a lunar, is the angular distance between the Moon and another celestial body. The lunar distances method uses this...
    18 KB (2,029 words) - 16:57, 10 September 2024
  • Thumbnail for Angular frequency
    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)...
    8 KB (859 words) - 09:36, 11 October 2024
  • Thumbnail for Metric space
    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 (11,081 words) - 20:23, 15 September 2024
  • 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...
    2 KB (210 words) - 15:17, 18 November 2022
  • Thumbnail for Angular displacement
    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
  • Thumbnail for Angular velocity
    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 (2,565 words) - 23:18, 2 November 2024
  • Thumbnail for Milliradian
    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
  • Thumbnail for Polaris
    Polaris (section Distance)
    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...
    51 KB (5,002 words) - 16:50, 16 November 2024
  • 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 (549 words) - 13:48, 2 November 2024
  • Thumbnail for Zenith
    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...
    7 KB (820 words) - 06:38, 6 November 2024
  • Thumbnail for Rayleigh sky model
    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
  • Thumbnail for Astrological aspect
    astrological interest. As viewed from Earth, aspects are measured by the angular distance in degrees and minutes of ecliptic longitude between two points. According...
    36 KB (3,171 words) - 14:29, 23 October 2024
  • Thumbnail for Sextant
    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
  • 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...
    856 bytes (150 words) - 12:58, 16 January 2022
  • Thumbnail for Great-circle distance
    The great-circle distance, orthodromic distance, or spherical distance is the distance between two points on a sphere, measured along the great-circle...
    13 KB (1,908 words) - 16:29, 11 October 2024
  • Thumbnail for Wavenumber
    frequency of a wave, measured in cycles per unit distance (ordinary wavenumber) or radians per unit distance (angular wavenumber). It is analogous to temporal...
    14 KB (1,786 words) - 05:26, 19 July 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 (578 words) - 20:50, 23 October 2024
  • Thumbnail for Radian
    Radian (redirect from Rad (angular unit))
    in the International System of Units (SI) and is the standard unit of angular measure used in many areas of mathematics. It is defined such that one...
    41 KB (5,403 words) - 15:46, 19 November 2024
  • Thumbnail for Parsec
    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...
    27 KB (3,094 words) - 07:43, 25 October 2024