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ZENITH POINT [8 records]

Filter results by subject field Alphabetical list of terms

Filter results by subject field

Alphabetical list of terms

Record 1 2019-05-30

English

Subject field(s)
  • Defence Planning and Military Doctrine
CONT

Fought on the Southern Front of the Kursk conflict between 2 and 17 July, 1943, this battle represented the zenith of German offensive capability on the Eastern Front. From this point on, German efforts were defensive in nature, while Russian operations transitioned onto the offensive full-time.

French

Domaine(s)
  • Doctrine militaire et planification de défense

Spanish

Save record 1

Record 2 2012-11-02

English

Subject field(s)
  • Astronomy
  • Mathematical Geography
  • Hydrology and Hydrography
  • Shipbuilding
DEF

That point on the celestial sphere directly beneath the observer and directly opposite the zenith.

OBS

nadir: term and definition standardized by NATO.

French

Domaine(s)
  • Astronomie
  • Géographie mathématique
  • Hydrologie et hydrographie
  • Constructions navales
DEF

Point de la sphère céleste directement en dessous de l'observateur et directement opposé au zénith.

OBS

nadir : terme et définition normalisés par l'OTAN.

Spanish

Campo(s) temático(s)
  • Astronomía
  • Geografía matemática
  • Hidrología e hidrografía
  • Construcción naval
DEF

Punto de la esfera celeste diametralmente opuesto al cenit.

Save record 2

Record 3 2005-07-18

English

Subject field(s)
  • Meteorological Forecasting, Data Measurement and Analysis
DEF

The angle between the horizon and a point below, measured along the arc that passes through the point in question and is perpendicular to the horizon.

OBS

The depression angle is the zenith distance of the point in question minus 90°.

Key term(s)
  • angle of depression

French

Domaine(s)
  • Prévisions météorologiques et mesure et analyse des données
DEF

Angle compris entre l'horizon et un point au-dessous et au-delà de l'horizon, mesuré sur l'arc qui passe par ce point et qui est perpendiculaire à l'horizon.

Spanish

Save record 3

Record 4 2004-02-17

English

Subject field(s)
  • Astronomy
  • Mathematical Geography
DEF

That point on the earth at which the moon is in the zenith at a specified time.

French

Domaine(s)
  • Astronomie
  • Géographie mathématique

Spanish

Save record 4

Record 5 2004-01-07

English

Subject field(s)
  • Astronomy
  • Mathematical Geography
DEF

That point on the earth at which the star is in the zenith at a specified time.

French

Domaine(s)
  • Astronomie
  • Géographie mathématique

Spanish

Save record 5

Record 6 2004-01-07

English

Subject field(s)
  • Astronomy
  • Mathematical Geography
DEF

That point on the earth at which the sun is in the zenith at a specified time.

French

Domaine(s)
  • Astronomie
  • Géographie mathématique

Spanish

Save record 6

Record 7 2003-10-09

English

Subject field(s)
  • Launching and Space Maneuvering
  • Orbital Stations
DEF

The point on the celestial sphere directly below an observer and diametrically opposite the zenith.

CONT

Orientation is described using the terms "forward", "aft", "port", "starboard", "zenith", and "nadir". There is a diagram of the ISS [International Space Station] in the instructions that depicts these axes. [Generally, the Russian, modules are aft, and the European modules are/will be forward; "nadir" and "zenith"are, of course, "down" and "up," respectively.]

OBS

nadir: term officially approved by the International Space Station official approval Group (ISSOAG).

French

Domaine(s)
  • Lancement et manœuvres dans l'espace
  • Stations orbitales
DEF

Point de la sphère céleste situé sur la verticale de l'observateur, vers le centre de la Terre[,] le Nadir [étant] le point opposé au Zénith.

OBS

nadir : terme uniformisé par le Groupe de travail de la terminologie de la Station spatiale internationale (GTTSSI).

Spanish

Save record 7

Record 8 1977-09-06

English

Subject field(s)
  • Astronomy
OBS

[The astronomic horizon is] A great circle on the celestial sphere formed by the intersection of the celestial sphere and a plane passing through any point(such as the eye of the observer) and perpendicular to the zenith-nadir line; the plane that passes through the observer's eye and is perpendicular to the zenith at that point.

French

Domaine(s)
  • Astronomie
OBS

Le grand cercle de la sphère céleste (...) dont le plan est perpendiculaire à la verticale s'appelle "horizon astronomique" ou "rationnel".

Spanish

Save record 8

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