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Astrophysics II
Covered topics are: What is a Galaxy?, Gravitational Potentials, Orbits in Spherical Potentials and Integrals, Orbits in Axisymmetric Potentials, Epicyclic Approximation, Equilibria of Stellar Systems, Boltzmann Equation, Jeans' Equations in Spherical Coordinates, Jeans' Equations Applied, Jeans' Theorem, Stability: Jeans Mass and Spiral Structure, Gravitational Mirages (aka lenses) via Fermat's Principle, Applied Gravitational Lensing, Weak Lensing, Clusters of Galaxies, The Sunyaev-Zeldovich Effect, Cosmological Parameters, Growing Modes in Expanding Universes: Jeans Redux.
Author(s): Prof. Paul Schechter
NA Pages 
Lecture Notes on Mathematical Astronomy
This note covers the following topics: classical mechanics and accretion theory, Vector fields and finite differencing, Fitting data, Light propagation, Scaling laws and dimensions, Euler Lagrange equations, Globular clusters, Angular momentum vector, Theory of thin accretion disks, Binary evolution and bondi Hoyle Lyttleton accretion.
Author(s): Maurice H P M van Putten
138 Pages
Lectures on the History of Astronomy
This note describes the following topics: Astronomy History and science, Ancient Mesopotamian Astronomy, Greek Astronomy, Islamic Astronomy, The Copernican Revolution, The Universe of the 20th Century.
Author(s): David J Jeffery
124 Pages
Introduction to Astronomy Lectures
This book covers the following topics: Orbits and Light, Spectroscopy, Telescopes, Solar System, Planetary System Formation, The Sun, Properties of Stars, Interstellar Medium, Star Formation, Stellar Evolution.
Author(s): John Scalo
NA Pages
An Introduction to Astronomy by Helen Johnston
This astronomy note introduces you to the wonders of modern astronomy.From the Solar System to the most distant galaxies, we undertake an eye-opening journey, from how stars work to the structure of the universe itself.
Author(s): Helen Johnston
NA Pages