Just posted some material on Celestial Mechanics.
Celestial Mechanics is the study of the motion of heavenly bodies such as planets and stars. It has its origins in ancient time but known efforts describe the actual notion of these Ptolemy from the city of
It was however Kepler that first described basic sent of law to describe planetary motion.
- All planets move in elliptical orbits, with the sun at one focus.'
- A line that connects a planet to the sun sweeps out equal areas in equal times.'
- The square of the period of any planet is proportional to the cube of the semi-major axis of its orbit
These laws helped
------ Charles Creager Jr.
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