Definition, Betydelse, Synonymer & Anagram | Engelska ordet DECLINATION

Definition av DECLINATION

1. (grammatik) deklination

Exempel på hur man kan använda DECLINATION i en mening

• In the case of "stellar" or "annual" aberration, the apparent position of a star to an observer on Earth varies periodically over the course of a year as the Earth's velocity changes as it revolves around the Sun, by a maximum angle of approximately 20 arcseconds in right ascension or declination.
• In astronomy, declination (abbreviated dec; symbol δ) is one of the two angles that locate a point on the celestial sphere in the equatorial coordinate system, the other being hour angle.
• When paired with declination, these astronomical coordinates specify the location of a point on the celestial sphere in the equatorial coordinate system.
• Vega was the northern pole star around 12,000 BCE and will be so again around the year 13,727, when its declination will be.
• However, if two celestial bodies attain the same declination at the time of a conjunction in right ascension (or the same ecliptic latitude at a conjunction in ecliptic longitude), the one that is closer to the Earth will pass in front of the other.
• Portuguese and Spanish explorers systematically measure magnetic declination to estimate the geographical longitude.
• The north–south component of the analemma results from the change in the Sun's declination due to the tilt of Earth's axis of rotation as it orbits around the Sun.
• If the position of the Earth in its orbit around the Sun is reckoned with respect to the Equinox, the point at which the orbit crosses the celestial equator, then its dates accurately indicate the seasons, that is, they are synchronized with the declination of the Sun.
• An object's altitude (A) in degrees at its upper culmination is equal to 90 minus the observer's latitude (L) plus the object's declination (δ):.
• Although Mimosa is at roughly −60° declination, and therefore not visible north of 30° latitude, in the time of the ancient Greeks and Romans it was visible north of 40° due to the precession of equinoxes, and these civilizations regarded it as part of the constellation of Centaurus.
• In particular, M81, M82, M52, and M103 make southern-hemisphere Messier marathons difficult, because they are all located at a declination of 60° north or greater.
• Isogonic lines are lines on the Earth's surface along which the declination has the same constant value, and lines along which the declination is zero are called agonic lines.
• The shapes of the constellations are proportionally correct in a straight line from the centre outwards, but at right angles to this direction (parallel to the declination circles) there is considerable distortion.
• Edmond Halley's General Chart of the Variation of the Compass is first published, the first to show magnetic declination (in the Atlantic Ocean) and the first on which isogonic, or Halleyan, lines appear.
• November – HMS Paramour sets sail under the command of Edmond Halley on the first purely scientific voyage by an English naval vessel, to investigate magnetic declination.
• Photometry indicates prograde rotation, that the north pole points in the direction of right ascension 115° or 310° and declination 55°, with a 5° uncertainty.
• In May 2005, the Alfa Group filed a lawsuit against Telenor, via Alfa's daughter company Eco Telecom Ltd, contesting the declination of Telenor's three VimpelCom board members to approve the URS acquisition.
• Now this has the form of a myth, but really signifies a declination of the bodies moving in the heavens around the earth, and a great conflagration of things upon the earth, which recurs after long intervals.
• Between 1908 and 1915, Struve with collaborators determined right ascension and declination of 1407 circumpolar stars, taking about 11,000 observations for each coordinate.
• The arithmetic difference between the true and magnetic meridian is called the magnetic declination, which is important for the calibration of compasses.

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