Another original aspect of his system was that he proposed a physical cause of celestial motions.

One original aspects of al-Biṭrūjī's system is his proposal of a physical cause of celestial motions.

Besides the mechanical inability to easily follow celestial motion the altazimuth mount does have other limitations.

Orbit determination must take into account that the apparent celestial motion of the body is influenced by the observer's own motion.

Only an external event could have interfered with Newton's laws of celestial motion.

However, few adopted his ideas on the physical basis for celestial motions.

But it predicted various celestial motions, including the beginnings and ends of retrograde motion, fairly well at the time it was developed.

He explained this celestial motion as the movement of the whole solar system around another star.

Galileo's was also the first discovery of a celestial motion not apparently centered on the Earth.

The Hindus make reference to at least two overlapping yuga cycles, driven by celestial motions, that affect conditions on earth.