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THE ZENITH-ANGLE

  • Zenith
  • Imaginary point directly above a particular location, on the imaginary celestial sphere

    measuring the zenith angle (or zenith angular distance), the angle between a direction of interest (e.g. a star) and the local zenith - that is, the complement

    Zenith

    Zenith

    Zenith

  • Solar zenith angle
  • Angle between the zenith and the centre of the Sun's disc

    The solar zenith angle is the zenith angle of the Sun, i.e., the angle between the sun’s rays and the vertical direction. It is the complement to the

    Solar zenith angle

    Solar_zenith_angle

  • Horizon
  • Apparent curve that separates earth from sky

    the observer is elevated, the horizon zenith angle can be greater than 90°. The maximum visible zenith angle occurs when the ray is tangent to Earth's

    Horizon

    Horizon

    Horizon

  • Sun path
  • Arc-like path that the Sun appears to follow across the sky

    and the cost-effective use of solar trackers. The solar zenith angle is the zenith angle of the Sun, i.e., the angle between the sun’s rays and the vertical

    Sun path

    Sun path

    Sun_path

  • Solar azimuth angle
  • Azimuth angle of the Sun's position

    relative direction along the local horizon, whereas the solar zenith angle (or its complementary angle solar elevation) defines the Sun's apparent altitude

    Solar azimuth angle

    Solar_azimuth_angle

  • Spherical coordinate system
  • Coordinates comprising a distance and two angles

    The polar angle may be called inclination angle, zenith angle, normal angle, or the colatitude. The user may choose to replace the inclination angle by

    Spherical coordinate system

    Spherical coordinate system

    Spherical_coordinate_system

  • Vector notation
  • Use of coordinates for representing vectors

    ={\begin{bmatrix}\rho \\\angle \theta \\\angle \phi \end{bmatrix}}} Where ρ is the magnitude, θ is the azimuth angle, and φ is the zenith angle. Like polar and

    Vector notation

    Vector notation

    Vector_notation

  • The Zenith Angle
  • 2004 novel by Bruce Sterling

    The Zenith Angle is a science fiction novel by American writer Bruce Sterling, first published in 2004, about a pioneering expert in computer and network

    The Zenith Angle

    The_Zenith_Angle

  • Air mass (astronomy)
  • Amount of air seen through in astronomical observations

    that at zenith. So, by definition, the relative air mass at the zenith is 1. Air mass increases as the angle between the source and the zenith increases

    Air mass (astronomy)

    Air_mass_(astronomy)

  • Solar irradiance
  • Measurement of electromagnetic radiation

    the sum of direct irradiance (after accounting for the solar zenith angle, z {\displaystyle z} , of the Sun) and diffuse horizontal irradiance: GHI = DHI

    Solar irradiance

    Solar irradiance

    Solar_irradiance

  • Horizontal coordinate system
  • Type of celestial coordinate system

    Alternatively, zenith angle may be used instead of altitude, as they are complementary angles (the sum of the altitude angle and the zenith angle is 90°). "(Az

    Horizontal coordinate system

    Horizontal coordinate system

    Horizontal_coordinate_system

  • Effect of Sun angle on climate
  • The amount of heat energy received at any location on the globe is a direct effect of Sun angle on climate, as the solar zenith angle (the angle of incidence

    Effect of Sun angle on climate

    Effect_of_Sun_angle_on_climate

  • Cloud albedo
  • Fraction of incoming sunlight reflected by clouds

    of the cloud and the solar zenith angle. The variation of albedo with zenith angle is most rapid when the sun is near the horizon, and least when the sun

    Cloud albedo

    Cloud albedo

    Cloud_albedo

  • Chapman function
  • small angles, the Chapman function is approximately equal to the secant function of the zenith angle, sec ⁡ ( z ) {\displaystyle \sec(z)} . The Chapman

    Chapman function

    Chapman function

    Chapman_function

  • Stefan–Boltzmann law
  • Physical law on the emissive power of black body

    as the zenith angle and φ as the azimuthal angle; and the small flat blackbody surface lies on the xy-plane, where θ = π/2. The intensity of the light

    Stefan–Boltzmann law

    Stefan–Boltzmann law

    Stefan–Boltzmann_law

  • Vertical and horizontal
  • Directional planes

    horizontal (radio propagation) Vertical circle Vertical position Zenith Zenith angle (vertical angle) Hofmann-Wellenhof, B.; Moritz, H. (2006). Physical Geodesy

    Vertical and horizontal

    Vertical and horizontal

    Vertical_and_horizontal

  • Hour angle
  • Coordinates used in the equatorial coordinate system

    celestial navigation, the hour angle is the dihedral angle between the meridian plane (containing Earth's axis and the zenith) and the hour circle (containing

    Hour angle

    Hour angle

    Hour_angle

  • Angle
  • Figure formed by two rays meeting at a common point

    Irrational angle Phase (waves) Protractor Solid angle Spherical angle Subtended angle Tangential angle Transcendent angle Trisection Zenith angle This approach

    Angle

    Angle

    Angle

  • Beer–Lambert law
  • Scientific law describing absorption of light

    } ⁠ where θ is the observed object's zenith angle (the angle measured from the direction perpendicular to the Earth's surface at the observation site)

    Beer–Lambert law

    Beer–Lambert_law

  • Parallactic angle
  • astronomy, the parallactic angle is the angle between the great circle through a celestial object and the zenith, and the hour circle of the object. It

    Parallactic angle

    Parallactic_angle

  • Angle of incidence (optics)
  • Angle in geometric optics

    angle on climate Phase angle (astronomy) Plane of incidence Reflection (physics) Refraction Scattering vector Total internal reflection Zenith angle Godse

    Angle of incidence (optics)

    Angle_of_incidence_(optics)

  • Proxima Centauri
  • Nearest star to the Solar System

    south of the zenith, the angle to the zenith is equal to the Latitude minus the Declination. The star is hidden from sight when the zenith angle is 90°

    Proxima Centauri

    Proxima Centauri

    Proxima_Centauri

  • Zenith (comics)
  • British comic superhero

    Zenith is a British superhero comic strip which appeared in the magazine 2000 AD. Created by writer Grant Morrison and artist Steve Yeowell, with original

    Zenith (comics)

    Zenith_(comics)

  • Position of the Sun
  • Calculating the Sun's location in the sky at a given time and place

    coordinate system. The resulting Sun angles are the solar zenith angle and solar azimuth angle, which can be used to depict the Sun path. This calculation is

    Position of the Sun

    Position of the Sun

    Position_of_the_Sun

  • Direct solar irradiance
  • the airmass given, approximately, by A M = 1 cos ⁡ θ {\displaystyle AM={\frac {1}{\cos \theta }}} with θ being the solar zenith angle (90° minus the altitude)

    Direct solar irradiance

    Direct_solar_irradiance

  • Rayleigh sky model
  • Polarization pattern of the daytime sky

    is the angle between the zenith direction and the solar direction at the observed pointing, and ψ is the angle between the solar direction and the observed

    Rayleigh sky model

    Rayleigh sky model

    Rayleigh_sky_model

  • Air mass (solar energy)
  • Amount of atmosphere that sunlight must pass through

    is the zenith angle, typically in degrees. The above approximation overlooks the atmosphere's finite height, and predicts an infinite air mass at the horizon

    Air mass (solar energy)

    Air_mass_(solar_energy)

  • Normalized difference vegetation index
  • Metric quantifying vegetation density

    was confounded by these differences in solar zenith angle across this strong latitudinal gradient. With the assistance of a resident mathematician (Dr.

    Normalized difference vegetation index

    Normalized difference vegetation index

    Normalized_difference_vegetation_index

  • Greenwood frequency
  • Adaptive optics optimization freuqency

    dz\right]^{3/5}} With ζ {\displaystyle \zeta } the zenith angle, v W i n d ( z ) {\displaystyle v_{\mathrm {Wind} }(z)} the wind speed as function of height and

    Greenwood frequency

    Greenwood_frequency

  • Radiance
  • Physical quantity in radiometry

    2π steradians of a hemisphere decreased by integration over the cosine of the zenith angle. Radiance of a surface, denoted Le,Ω ("e" for "energetic", to

    Radiance

    Radiance

  • Cyberpunk derivatives
  • Subgenres of the science fiction genre

    novel The Zenith Angle, which follows the story of a hacker whose life is changed by the September 11 attacks, as "nowpunk". The developers of the computer

    Cyberpunk derivatives

    Cyberpunk derivatives

    Cyberpunk_derivatives

  • Laplace operator
  • Differential operator in mathematics

    \varphi ^{2}}},} where φ represents the azimuthal angle and θ the zenith angle or co-latitude. In particular, the above is equivalent to Δ f = ∂ 2 f ∂

    Laplace operator

    Laplace_operator

  • Ultraviolet index
  • Measurement of strength of sunburn-producing ultraviolet (UV) radiation

    are made by a computer model that accounts for the effects of Sun–Earth distance, solar zenith angle, total ozone amount, tropospheric aerosol optical

    Ultraviolet index

    Ultraviolet index

    Ultraviolet_index

  • Bidirectional reflectance distribution function
  • Function of four real variables that defines how light is reflected at an opaque surface

    azimuth angle ϕ {\displaystyle \phi } and zenith angle θ {\displaystyle \theta } , therefore the BRDF as a whole is a function of 4 variables. The BRDF has

    Bidirectional reflectance distribution function

    Bidirectional reflectance distribution function

    Bidirectional_reflectance_distribution_function

  • Umkehr effect
  • If the value of log(I/I' ) is plotted against the sun's zenith angle, it is observed that this log-intensity ratio decreases as the zenith angle increases

    Umkehr effect

    Umkehr effect

    Umkehr_effect

  • Sodar
  • Meteorological instrument

    shifts and the specified tilt angle from the vertical. The tilt angle, or zenith angle, is generally 15 to 30 degrees, and the horizontal beams are typically

    Sodar

    Sodar

    Sodar

  • Legendre polynomials
  • System of complete and orthogonal polynomials

    and θ is the angle between the position of the observer and the ẑ axis (the zenith angle), the solution for the potential will be Φ ( r , θ ) = ∑ ℓ = 0 ∞

    Legendre polynomials

    Legendre polynomials

    Legendre_polynomials

  • Advanced Very-High-Resolution Radiometer
  • Space-borne earth reflectance sensor

    function of solar zenith angle; calibrated NOAA-9 near-nadir reflectances are used to generate the curves that can then derive the calibrations for other

    Advanced Very-High-Resolution Radiometer

    Advanced Very-High-Resolution Radiometer

    Advanced_Very-High-Resolution_Radiometer

  • Stereographic projection
  • Particular mapping that projects a sphere onto a plane

    the sphere (with φ {\displaystyle \varphi } the zenith angle, 0 ≤ φ ≤ π {\displaystyle 0\leq \varphi \leq \pi } , and θ {\displaystyle \theta } the azimuth

    Stereographic projection

    Stereographic projection

    Stereographic_projection

  • Five-hundred-meter Aperture Spherical Telescope
  • Radio telescope in Guizhou, China

    arcseconds. The maximum zenith angle is 40 degrees when the effective illuminated aperture is reduced to 200 m, while it is 26.4 degrees when the effective

    Five-hundred-meter Aperture Spherical Telescope

    Five-hundred-meter Aperture Spherical Telescope

    Five-hundred-meter_Aperture_Spherical_Telescope

  • Bruce Sterling
  • American author, speaker and futurist (born 1954)

    Heavy Weather (1994) Holy Fire (1996) The Zenith Angle (2004) The Caryatids (2009) Love Is Strange (2012) In the beginning of his childhood he lived in

    Bruce Sterling

    Bruce Sterling

    Bruce_Sterling

  • Spherinder
  • Geometric object

    \theta \\w&=w\end{aligned}}} where r is the radius, θ is the zenith angle, φ is the azimuthal angle, and w is the height. Cartesian coordinates can be converted

    Spherinder

    Spherinder

    Spherinder

  • Surveying
  • Science of determining the positions of points and the distances and angles between them

    horizontal alignment. The vertical circle measures the angle that the telescope makes against the vertical, known as the zenith angle. The horizontal circle

    Surveying

    Surveying

    Surveying

  • Fisheye lens
  • Wide-angle photographic lens with strong barrel distortion

    (equiangular) projection, in which distance along the radius of the circular image is proportional to the zenith angle. As fisheye lenses gained popularity in general

    Fisheye lens

    Fisheye lens

    Fisheye_lens

  • Riemann sphere
  • Model of the extended complex plane plus a point at infinity

    (\theta ,\varphi )} on the sphere (with θ {\displaystyle \theta } the zenith angle and φ {\displaystyle \varphi } the azimuth), the projection is ζ = x +

    Riemann sphere

    Riemann sphere

    Riemann_sphere

  • Super-Kamiokande
  • Japanese neutrino observatory

    the rock beneath the detector, but stop in the inner detector. The number of observed neutrinos is predicted uniformly regardless of the zenith angle

    Super-Kamiokande

    Super-Kamiokande

    Super-Kamiokande

  • Levelling
  • Surveying technique

    a total station, or any other instrument to read the vertical, or zenith angle to the rod, and the change in elevation is calculated using trigonometric

    Levelling

    Levelling

    Levelling

  • Shortwave radiation (optics)
  • Type of radiant energy

    solar irradiance and is sensitive to solar zenith angle and cloud cover. Outgoing longwave radiation However, the definition of thermal infrared may start

    Shortwave radiation (optics)

    Shortwave radiation (optics)

    Shortwave_radiation_(optics)

  • Optical depth
  • Physics concept

    the zenith angle corresponding to the given path. Therefore, T = e − τ = e − m τ ′ {\displaystyle T=e^{-\tau }=e^{-m\tau '}} The optical depth of the

    Optical depth

    Optical depth

    Optical_depth

  • Solar panel
  • Assembly of photovoltaic cells used to generate electricity

    stationary throughout the day at a given tilt (zenith angle) and facing a given direction (azimuth angle). Tilt angles equivalent to an installation's latitude

    Solar panel

    Solar panel

    Solar_panel

  • Tunguska event
  • 1908 air burst explosion in Siberia, Russia

    similar to the pattern found at the Tunguska site. The experiments suggested that the object had approached at an angle of roughly 30° from the ground and

    Tunguska event

    Tunguska event

    Tunguska_event

  • Atmospheric refraction
  • Deviation of light as it moves through the atmosphere

    All Zenith Angles". Astronomical Journal. 119 (5): 2472–2474. Bibcode:2000AJ....119.2472A. doi:10.1086/301325. S2CID 121417663. This paper and the method

    Atmospheric refraction

    Atmospheric refraction

    Atmospheric_refraction

  • Albedo
  • Ratio of how much light is reflected back from a body

    has been shown that the albedo at a particular solar zenith angle θi can be approximated by the proportionate sum of two terms: the directional-hemispherical

    Albedo

    Albedo

    Albedo

  • Muon tomography
  • Tomography technique based on high-energy muon particles

    method). From here the calculations are normalized for the zenith angle of the flux. Despite the various benefits of using cosmic ray muons for imaging

    Muon tomography

    Muon_tomography

  • List of common coordinate transformations
  • Let (x, y, z) be the standard Cartesian coordinates, and (ρ, θ, φ) the spherical coordinates, with θ the angle measured away from the +Z axis (as illustrated)

    List of common coordinate transformations

    List_of_common_coordinate_transformations

  • Schwarzschild's equation for radiative transfer
  • Formula for radiative heat transfer

    ds=dz/\cos \theta } , where θ {\displaystyle \theta } is the zenith angle (away from vertical). Then the upward and downward intensities are integrated over

    Schwarzschild's equation for radiative transfer

    Schwarzschild's_equation_for_radiative_transfer

  • Angular diameter
  • How large a sphere or circle appears

    {\frac {d_{\mathrm {act} }}{2D}}} as the sine.[citation needed] The formula is related to the zenith angle to the horizon, δ = π − 2 arccos ⁡ ( R R + h

    Angular diameter

    Angular diameter

    Angular_diameter

  • Gardon gauge
  • Sensor for measuring thermal radiation

    to the surface, 0 degrees angle of incidence), zero response when the radiation is at the horizon (90 degrees angle of incidence, 90 degrees zenith angle)

    Gardon gauge

    Gardon gauge

    Gardon_gauge

  • Callisto (moon)
  • Second-largest moon of Jupiter

    significantly higher, with values in the range of 4 x 1014 cm−2 to 4 x 1015 cm−2 depending on the solar zenith angle and orbital position. Because this

    Callisto (moon)

    Callisto (moon)

    Callisto_(moon)

  • Analemma
  • Diagrammatic representation of Sun's position over a period of time

    pointing to the center of the Sun all the time. If the position of the Sun is calculated, the solar zenith angle and solar azimuth angle at one-hour steps

    Analemma

    Analemma

    Analemma

  • Climate fiction
  • Fiction in a setting defined in part by climate crisis

    October 2023. Killheffer, Robert K. J. (October 2004). "White Devils/The Zenith Angle/Forty Signs of Rain (Book)". Fantasy & Science Fiction. 107 (4/5):

    Climate fiction

    Climate fiction

    Climate_fiction

  • Atmosphere of Titan
  • Layer of gasses surrounding the moon Titan

    wavelengths have shown that the twilight periods (phase angles > 150°) are brighter than the daytime on Titan. This observation has not been observed

    Atmosphere of Titan

    Atmosphere of Titan

    Atmosphere_of_Titan

  • Geodesy
  • Science of measuring the shape, orientation, and gravity of Earth

    azimuth (direction angle within the plane of the horizon), elevation angle (or zenith angle), distance. North celestial pole: the extension of Earth's

    Geodesy

    Geodesy

    Geodesy

  • Directivity
  • Measure of how much of an antenna's signal is transmitted in one direction

    are the zenith angle and azimuth angle respectively in the standard spherical coordinate angles; U ( θ , ϕ ) {\displaystyle U(\theta ,\phi )} is the radiation

    Directivity

    Directivity

    Directivity

  • Daylight saving time
  • Seasonal change of clock settings

    factor on clear days: its observed dependence on solar zenith angle and its relevance to the shadow guideline for sun protection". Photochemistry and

    Daylight saving time

    Daylight saving time

    Daylight_saving_time

  • Azimuth
  • Horizontal angle from north or other reference cardinal direction

    Sextant Solar azimuth angle Sound Localization Zenith The singular form of the noun is Arabic: السَّمْت, romanized: as-samt, lit. 'the direction'. "azimuth"

    Azimuth

    Azimuth

    Azimuth

  • Gimbal lock
  • Loss of one degree of freedom in a three-dimensional, three-gimbal mechanism

    about an azimuth (horizontal angle) and elevation (vertical angle). These two-dimensional systems can gimbal lock at zenith and nadir, because at those

    Gimbal lock

    Gimbal lock

    Gimbal_lock

  • Bruce Sterling bibliography
  • The Zenith Angle (2004) A techno-thriller about a cyber-security expert who goes to work for the U.S. government fighting terrorism after 9/11. The Caryatids

    Bruce Sterling bibliography

    Bruce_Sterling_bibliography

  • Diffuse sky radiation
  • Solar radiation reaching the Earth's surface

    irradiance, z {\displaystyle z} is the solar zenith angle, and DirHI is the direct horizontal irradiance. One of the equations for total solar radiation on

    Diffuse sky radiation

    Diffuse sky radiation

    Diffuse_sky_radiation

  • Antenna array
  • Set of multiple antennas which work together

    {\displaystyle \theta } and ϕ {\displaystyle \phi } being the zenith angle and azimuth angle, respectively. If the spacing between adjacent elements is constant,

    Antenna array

    Antenna array

    Antenna_array

  • SZA (disambiguation)
  • Topics referred to by the same term

    psychiatric diagnosis with symptoms of a mood disorder and schizophrenia Solar zenith angle, in astronomy and earth science Soyo Airport, in Angola (IATA airport

    SZA (disambiguation)

    SZA_(disambiguation)

  • Fried parameter
  • Measure of imaging quality in astronomy

    /\lambda } is the wavenumber. If not specified, the path is assumed to be in the vertical direction. When observing a star at a zenith angle ζ {\displaystyle

    Fried parameter

    Fried_parameter

  • Stokes stream function
  • Function in fluid dynamics

     φ ), r is the radial distance from the origin, θ is the zenith angle and φ is the azimuthal angle. In axisymmetric flow, with θ = 0 the rotational symmetry

    Stokes stream function

    Stokes stream function

    Stokes_stream_function

  • Exergy
  • Maximum energy available for use

    radiation with solar zenith angle of 0 degrees) and AM4 (terrestrial solar radiation with solar zenith angle of 75.5 degrees). The solar spectrum at sea

    Exergy

    Exergy

  • Lagrangian mechanics
  • Formulation of classical mechanics

    origin, θ is polar angle (also known as colatitude, zenith angle, normal angle, or inclination angle), and φ is the azimuthal angle, the Lagrangian for a

    Lagrangian mechanics

    Lagrangian mechanics

    Lagrangian_mechanics

  • Pyranometer
  • Instrument for measuring solar irradiance

    (normal to the surface, sun at zenith, 0° angle of incidence), zero response when the sun is at the horizon (90° angle of incidence, 90° zenith angle), and

    Pyranometer

    Pyranometer

  • Leighton relationship
  • Equation in atmospheric chemistry

    ozone is directly related to the solar intensity, and hence to the zenith angle, due to the reliance on photolysis of NO2. The yield of ozone will therefore

    Leighton relationship

    Leighton_relationship

  • Ionospheric pierce point
  • Geometry of global positioning systems

    The IPP or Ionospheric Pierce Point is the altitude in the ionosphere where electron density is greatest. These points can change based on factors like

    Ionospheric pierce point

    Ionospheric pierce point

    Ionospheric_pierce_point

  • Forty Signs of Rain
  • 2004 hard science fiction novel by Kim Stanley Robinson

    August 29, 2012. Killheffer, Robert K. J. (October 2004). "White Devils/The Zenith Angle/Forty Signs of Rain (Book)". Fantasy & Science Fiction. 107 (4/5):

    Forty Signs of Rain

    Forty_Signs_of_Rain

  • Non-line-of-sight propagation
  • Type of radio propagation

    characteristics due to differences in ionization density, shifting zenith angles, effects of the Earth's magnetic dipole contours, antenna radiation patterns

    Non-line-of-sight propagation

    Non-line-of-sight_propagation

  • Ambisonic data exchange formats
  • Formats used for Ambisonics

    values and uses the physics convention for spherical coordinates where θ {\displaystyle \theta } is the zenith angle (angle from the positive Z-axis)

    Ambisonic data exchange formats

    Ambisonic_data_exchange_formats

  • EISCAT
  • Radar systems used to study the interaction between the Sun and the Earth

    steerable in the meridional plane (-30° to 60° zenith angle), and electronically steerable in the longitudinal direction (±12° off-boresight). The receiving

    EISCAT

    EISCAT

    EISCAT

  • Penitente (snow formation)
  • Field of regularly spaced ice formations formed by sublimation at high altitudes

    become tilted toward the north, at approximately the noontime solar zenith angle, which varies seasonally. The lower limit to the altitude of penitente-formation

    Penitente (snow formation)

    Penitente (snow formation)

    Penitente_(snow_formation)

  • Leaf area index
  • Dimensionless quantity that characterizes plant canopies

    the canopy and at ground level, and factoring in the leaf angle distribution, solar zenith angle, and plant extinction coefficient. Such indirect methods

    Leaf area index

    Leaf_area_index

  • Ozone depletion
  • Atmospheric phenomenon

    von Hobe, M. (July 2011). "ClOOCl photolysis at high solar zenith angles: analysis of the RECONCILE self-match flight". Atmos. Chem. Phys. 12 (3): 1353–1365

    Ozone depletion

    Ozone depletion

    Ozone_depletion

  • Differential optical absorption spectroscopy
  • density (the observation is performed looking straight up, with the sun at full zenith) and the slant column density (same observation angle, sun at some

    Differential optical absorption spectroscopy

    Differential optical absorption spectroscopy

    Differential_optical_absorption_spectroscopy

  • Syracuse, Sicily
  • City in Sicily, Italy

    (thanks to the zenith angles from which they are observed, they have been described for millennia as among the most beautiful in the world). The configuration

    Syracuse, Sicily

    Syracuse, Sicily

    Syracuse,_Sicily

  • Moon illusion
  • Perceived variation in the Moon's size

    smaller in angular size when at the horizon than when above. The angle that the diameter of the full Moon subtends at an observer's eye can be measured directly

    Moon illusion

    Moon illusion

    Moon_illusion

  • Air shower (physics)
  • Cascade of atmospheric subatomic particles

    years later. He also noted that the coincidence rate drops significantly for cosmic rays that are detected at a zenith angle below 60 ∘ {\displaystyle 60^{\circ

    Air shower (physics)

    Air shower (physics)

    Air_shower_(physics)

  • Apparent magnitude
  • Brightness of a celestial object observed from the Earth

    in the sky to the target are favoured (to avoid large differences in the atmospheric paths). If those stars have somewhat different zenith angles (altitudes)

    Apparent magnitude

    Apparent magnitude

    Apparent_magnitude

  • Rigid rotor
  • Model of rotating physical systems

    R3. In the physics convention the coordinates are the co-latitude (zenith) angle θ {\displaystyle \theta \,} , the longitudinal (azimuth) angle φ {\displaystyle

    Rigid rotor

    Rigid_rotor

  • Colatitude
  • Complement of latitude; polar angle

    coordinate system, a colatitude is the complementary angle of a given latitude, i.e. the difference between a right angle and the latitude. In geography, Southern

    Colatitude

    Colatitude

  • Physical geodesy
  • Study of the physical properties of the Earth's gravity field

    vertical angles (zenith angles or, alternatively, elevation angles) are obtained with respect to this local vertical, and horizontal angles in the plane

    Physical geodesy

    Physical geodesy

    Physical_geodesy

  • Mars Orbiter Mission
  • Indian orbiter mission to Mars (2013–2022)

    planet. Data with incidence and zolar zenith angle greater than 60° was also discarded to reduce atmospheric effects. The bright regions having an albedo greater

    Mars Orbiter Mission

    Mars Orbiter Mission

    Mars_Orbiter_Mission

  • GPS meteorology
  • determine the total atmospheric delay, is its known dependence of the zenith or elevation angle of the satellite. If z {\displaystyle z} is the zenith angle, the

    GPS meteorology

    GPS_meteorology

  • Analysis of daylight saving time
  • Aspect of timekeeping

    factor on clear days: its observed dependence on solar zenith angle and its relevance to the shadow guideline for sun protection". Photochemistry and

    Analysis of daylight saving time

    Analysis_of_daylight_saving_time

  • Langley extrapolation
  • is simple to determine if one knows the solar zenith angle θ: m = 1/cos(θ). As time passes, the Sun moves across the sky, and therefore θ and m vary according

    Langley extrapolation

    Langley extrapolation

    Langley_extrapolation

  • Great Trigonometrical Survey
  • 19th-century survey to measure the Indian subcontinent

    shaded from the sun and with constant tension. The early surveys made use of large and bulky theodolites made by William Carey, a zenith sector made by

    Great Trigonometrical Survey

    Great Trigonometrical Survey

    Great_Trigonometrical_Survey

  • Ocean turbidity
  • Measure of cloudiness of sea water

    this, the effects of Rayleigh scattering are calculated based on the satellite viewing angle and the solar zenith angle and then subtracted from the band

    Ocean turbidity

    Ocean turbidity

    Ocean_turbidity

  • Ecophysiology
  • Study of adaptation of an organism's physiology to environmental conditions

    light occurs at the top of canopies and on open ground when cloud cover is low and the sun's zenith angle is low, typically this occurs in the tropics and

    Ecophysiology

    Ecophysiology

AI & ChatGPT searchs for online references containing THE ZENITH-ANGLE

THE ZENITH-ANGLE

AI search references containing THE ZENITH-ANGLE

THE ZENITH-ANGLE

  • Henith
  • Boy/Male

    Hindu, Indian

    Henith

    Tiger

    Henith

  • BENITO
  • Male

    Spanish

    BENITO

    Contracted form of Spanish Benedicto, BENITO means "blessed." 

    BENITO

  • Auj
  • Boy/Male

    Arabic

    Auj

    Zenith; Climax

    Auj

  • KÄTHE
  • Female

    German

    KÄTHE

    Pet form of German Kätharina, KÄTHE means "pure."

    KÄTHE

  • AZENETH
  • Female

    Hebrew

    AZENETH

    (אָסְנַת) Variant form of Hebrew Acĕnath, AZENETH means "belonging to the goddess Neith."

    AZENETH

  • BENITA
  • Female

    Spanish

    BENITA

    Feminine form of Spanish Benito, BENITA means "blessed."

    BENITA

  • Tye
  • Boy/Male

    English

    Tye

    From the enclosure.

    Tye

  • TYE
  • Male

    English

    TYE

    English surname transferred to forename use, derived from the Middle English word tye, TYE means "pasture."

    TYE

  • Zenith
  • Boy/Male

    Australian, Hindu, Indian

    Zenith

    Peak

    Zenith

  • Zenith
  • Girl/Female

    Australian, Indian

    Zenith

    Highest; At the Top; First

    Zenith

  • Zenish
  • Boy/Male

    Gujarati, Indian

    Zenish

    Apocalypse

    Zenish

  • KENNITH
  • Male

    English

    KENNITH

    Variant spelling of English Kenneth, KENNITH means both "comely; finely made" and "born of fire." 

    KENNITH

  • GWENITH
  • Female

    Welsh

    GWENITH

    Welsh name derived from the word gwenith, GWENITH means "wheat."

    GWENITH

  • Henith
  • Boy/Male

    Hindu

    Henith

    Henith

  • Penrith
  • Boy/Male

    Anglo Saxon

    Penrith

    From Penrith.

    Penrith

  • KENITH
  • Male

    English

    KENITH

    Variant spelling of English Kenneth, KENITH means both "born of fire" and "comely; finely made."

    KENITH

  • Tenith
  • Boy/Male

    Hindu, Indian

    Tenith

    Bright

    Tenith

  • Tenith
  • Boy/Male

    Hindu

    Tenith

    Tenith

  • Zenith
  • Boy/Male

    Hindu

    Zenith

    Computer

    Zenith

  • Renith
  • Boy/Male

    Hindu, Indian

    Renith

    Lotus (Water Lily)

    Renith

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THE ZENITH-ANGLE

Online names & meanings

  • Sughraa
  • Girl/Female

    Arabic

    Sughraa

    Small; Lass

  • Lomakesh
  • Boy/Male

    Hindu

    Lomakesh

  • Jerrett
  • Boy/Male

    American, British, English

    Jerrett

    Mighty Spearman; Spear Strong; Variant of Garrett

  • Jayalalitha | ஜயலலீதா
  • Girl/Female

    Tamil

    Jayalalitha | ஜயலலீதா

    Victorious Goddess durgaji

  • Ruthvika
  • Girl/Female

    Bengali, Gujarati, Hindu, Indian, Kannada, Sanskrit, Tamil, Telugu

    Ruthvika

    Speech; Goddess Saraswati

  • NATALIA
  • Female

    Spanish

    NATALIA

    Latin name derived from (dies) natalis, NATALIA means "birthday," or in Church Latin "Christmas day." In use by the Spanish.

  • Surdas
  • Boy/Male

    Hindu, Indian, Kannada, Telugu

    Surdas

    Servant of Musical Tunes

  • Sahaya | ஸஹாய
  • Boy/Male

    Tamil

    Sahaya | ஸஹாய

    Help, Lord Shiva

  • ÚNA
  • Female

    Irish

    ÚNA

    Irish name, probably derived from the Gaelic vocabulary word úna, ÚNA means "famine, hunger." In Irish legend, this was the name of the sweetheart of poet Tomás Costello, who withered away and died after being forbidden by her parents to see him.

  • Wadad
  • Girl/Female

    Indian

    Wadad

    Love, Friendship

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THE ZENITH-ANGLE

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Other words and meanings similar to

THE ZENITH-ANGLE

AI search in online dictionary sources & meanings containing THE ZENITH-ANGLE

THE ZENITH-ANGLE

  • Zenithal
  • a.

    Of or pertaining to the zenith.

  • Half-length
  • a.

    Of half the whole or ordinary length, as a picture.

  • Tenth
  • n.

    The tenth part of annual produce, income, increase, or the like; a tithe.

  • Zenik
  • n.

    See Zenick.

  • Tenth
  • n.

    The interval between any tone and the tone represented on the tenth degree of the staff above it, as between one of the scale and three of the octave above; the octave of the third.

  • Tenth
  • n.

    A temporary aid issuing out of personal property, and granted to the king by Parliament; formerly, the real tenth part of all the movables belonging to the subject.

  • Length
  • a.

    The quality or state of being long, in space or time; extent; duration; as, some sea birds are remarkable for the length of their wings; he was tired by the length of the sermon, and the length of his walk.

  • Zenith
  • n.

    That point in the visible celestial hemisphere which is vertical to the spectator; the point of the heavens directly overhead; -- opposed to nadir.

  • Length
  • a.

    The longest, or longer, dimension of any object, in distinction from breadth or width; extent of anything from end to end; the longest line which can be drawn through a body, parallel to its sides; as, the length of a church, or of a ship; the length of a rope or line.

  • Length
  • a.

    A single piece or subdivision of a series, or of a number of long pieces which may be connected together; as, a length of pipe; a length of fence.

  • Vertical
  • n.

    Vertical position; zenith.

  • Ascendent
  • a.

    Rising toward the zenith; above the horizon.

  • The
  • adv.

    By that; by how much; by so much; on that account; -- used before comparatives; as, the longer we continue in sin, the more difficult it is to reform.

  • The
  • definite article.

    A word placed before nouns to limit or individualize their meaning.

  • Length
  • a.

    A portion of space or of time considered as measured by its length; -- often in the plural.

  • Zenith
  • n.

    hence, figuratively, the point of culmination; the greatest height; the height of success or prosperity.

  • Jenite
  • n.

    See Yenite.

  • The
  • v. i.

    See Thee.

  • Tenth
  • n.

    The tenth part of the annual profit of every living in the kingdom, formerly paid to the pope, but afterward transferred to the crown. It now forms a part of the fund called Queen Anne's Bounty.

  • Length
  • a.

    Detail or amplification; unfolding; continuance as, to pursue a subject to a great length.