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00:01:45 1 Integrating astronomy and physics
00:02:41 2 Integrating astronomy and chemistry
00:05:27 3 Tools of theoretical astronomy
00:06:39 4 Topics of theoretical astronomy
00:07:26 5 Astronomical models
00:07:51 6 Leading topics in theoretical astronomy
00:08:12 7 Theoretical astrophysics
00:08:42 7.1 Weak equivalence principle
00:09:11 7.2 Thermodynamics for stationary black holes
00:10:15 8 Theoretical astrochemistry
00:10:45 8.1 Interstellar organics
00:11:53 8.2 Chemistry in cometary comae
00:12:53 9 Theoretical chemical astronomy
00:13:32 9.1 Astronomical spectroscopy
00:13:51 9.2 Chemistry of dust condensation
00:14:55 10 Theoretical physical astronomy
00:15:42 10.1 Weak interaction and nuclear double beta decay
00:16:10 10.2 Neutron-rich isotopes
00:16:41 11 Theory of astronomical time keeping
00:17:37 11.1 Atomic time
00:18:33 11.2 Ephemeris time
00:20:36 11.3 Extraterrestrial time-keeping
00:20:46 11.4 Stellar dynamical time scale
00:22:35 12 Theory of astronomical navigation
00:22:46 12.1 On earth
00:25:45 12.2 Deep space
00:26:19 12.3 Aboard an exploratory vehicle
00:26:51 13 See also



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SUMMARY
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Theoretical astronomy is the use of the analytical models of physics and chemistry to describe astronomical objects and astronomical phenomena.
Ptolemy's Almagest, although a brilliant treatise on theoretical astronomy combined with a practical handbook for computation, nevertheless includes many compromises to reconcile discordant observations. Theoretical astronomy is usually assumed to have begun with Johannes Kepler (1571–1630), and Kepler's laws. It is co-equal with observation. The general history of astronomy deals with the history of the descriptive and theoretical astronomy of the Solar System, from the late sixteenth century to the end of the nineteenth century. The major categories of works on the history of modern astronomy include general histories, national and institutional histories, instrumentation, descriptive astronomy, theoretical astronomy, positional astronomy, and astrophysics. Astronomy was early to adopt computational techniques to model stellar and galactic formation and celestial mechanics. From the point of view of theoretical astronomy, not only must the mathematical expression be reasonably accurate but it should preferably exist in a form which is amenable to further mathematical analysis when used in specific problems. Most of theoretical astronomy uses Newtonian theory of gravitation, considering that the effects of general relativity are weak for most celestial objects. The obvious fact is that theoretical astronomy cannot (and does not try to) predict the position, size and temperature of every star in the heavens. Theoretical astronomy by and large has concentrated upon analyzing the apparently complex but periodic motions of celestial objects.