Heavenly

by Lewis Carroll

Heavenly – Celestial mechanics studies the laws of motion of celestial bodies in order to find the elements of their orbits and determine their positions in these orbits at any given time.
A celestial sphere is an imaginary sphere of arbitrary radius, in the center of which the observer is located, called a celestial sphere. It can be used to determine the coordinates of celestial points, lines, circles and planes: zenith, nadir, poles of the world, axis of the world, celestial horizon, celestial meridian, ecliptic, etc., which are the basis for spherical astronomy and astrometry.

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