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24 relations: Aberration of light, Astrometry, Axial precession, Axial tilt, Celestial coordinate system, Celestial pole, Circle of latitude, Ecliptic, Ecliptic coordinate system, Edward James Stone, Equation of time, Equatorial coordinate system, Geocentric Coordinate Time, James Bradley, Nicolas-Louis de Lacaille, Pierre Charles Le Monnier, Polar circle, Pole star, Royal Society, Stellar parallax, William Hopkins, 1728, 1728 in science, 1757 in science.
Aberration of light
The aberration of light (also referred to as astronomical aberration, stellar aberration, or velocity aberration) is an astronomical phenomenon which produces an apparent motion of celestial objects about their true positions, dependent on the velocity of the observer.
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Astrometry
Astrometry is the branch of astronomy that involves precise measurements of the positions and movements of stars and other celestial bodies.
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Axial precession
In astronomy, axial precession is a gravity-induced, slow, and continuous change in the orientation of an astronomical body's rotational axis.
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Axial tilt
In astronomy, axial tilt, also known as obliquity, is the angle between an object's rotational axis and its orbital axis, or, equivalently, the angle between its equatorial plane and orbital plane.
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Celestial coordinate system
In astronomy, a celestial coordinate system is a system for specifying positions of celestial objects: satellites, planets, stars, galaxies, and so on.
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Celestial pole
The north and south celestial poles are the two imaginary points in the sky where the Earth's axis of rotation, indefinitely extended, intersects the celestial sphere.
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Circle of latitude
A circle of latitude on Earth is an abstract east–west circle connecting all locations around Earth (ignoring elevation) at a given latitude.
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Ecliptic
The ecliptic is the circular path on the celestial sphere that the Sun follows over the course of a year; it is the basis of the ecliptic coordinate system.
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Ecliptic coordinate system
The ecliptic coordinate system is a celestial coordinate system commonly used for representing the apparent positions and orbits of Solar System objects.
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Edward James Stone
Edward James Stone (28 February 1831 – 6 May 1897) was an English astronomer.
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Equation of time
The equation of time describes the discrepancy between two kinds of solar time.
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Equatorial coordinate system
The equatorial coordinate system is a celestial coordinate system widely used to specify the positions of celestial objects.
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Geocentric Coordinate Time
Geocentric Coordinate Time (TCG - Temps-coordonnée géocentrique) is a coordinate time standard intended to be used as the independent variable of time for all calculations pertaining to precession, nutation, the Moon, and artificial satellites of the Earth.
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James Bradley
James Bradley FRS (March 1693 – 13 July 1762) was an English astronomer and priest and served as Astronomer Royal from 1742, succeeding Edmond Halley.
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Nicolas-Louis de Lacaille
Abbé Nicolas-Louis de Lacaille, formerly sometimes spelled de la Caille, (15 March 1713 – 21 March 1762) was a French astronomer.
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Pierre Charles Le Monnier
Pierre Charles Le Monnier (20 November 1715 – 3 April 1799) was a French astronomer.
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Polar circle
A polar circle is either the Arctic Circle or the Antarctic Circle.
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Pole star
Pole star or polar star refers to a star, preferably bright, closely aligned to the axis of rotation of an astronomical object.
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Royal Society
The President, Council and Fellows of the Royal Society of London for Improving Natural Knowledge, commonly known as the Royal Society, is a learned society.
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Stellar parallax
Stellar parallax is the apparent shift of position of any nearby star (or other object) against the background of distant objects.
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William Hopkins
William Hopkins FRS (2 February 1793 – 13 October 1866) was an English mathematician and geologist.
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1728
No description.
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1728 in science
The year 1728 in science and technology involved some significant events.
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1757 in science
The year 1757 in science and technology involved some significant events.
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References
[1] https://en.wikipedia.org/wiki/Astronomical_nutation
