Disciplines & Professions: Astrometry

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Astrometry includes topics such as Celestial mechanics and Orbital elements. Astrometry is the scientific measurement of the positions and motions of celestial bodies.

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Ecliptic

Signs of the Zodiac Even though the planets move on the celestial sphere, they do not wander all over it but are confined to a narrow strip, dividing it in half. Stars along that strip are...

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Precession

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