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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 eyeopening journey, from how stars work to the structure of the universe itself.
Author(s): Helen Johnston
NA Pages 
This PDF covers the following topics related to Astronomy : Introduction to Astrophysics, Size and Distance Scales, Stars: A Basic Overview, Temperature, Luminosity, and Energy, Energy Sources, The Two-Body Problem and Kepler’s Laws, Binary Systems, Exoplanets, Planets, and the Solar System, Gravitational Waves, Radiation, Radiative Transfer, Stellar Classification, Spectra, and Some Thermodynamics, Stellar Atmospheres, Timescales in Stellar Interiors, Stellar Structure, Stability, Instability, and Convection, Polytropes, An Introduction to Nuclear Fusion, Nuclear Reaction Pathways, End Stages of Nuclear Burning, Stellar Evolution: The Core, Stellar Evolution: The Rest of the Picture, On the Deaths of Massive Stars, Compact Objects, Neutron Stars, Black Holes, Accretion, Fluid Mechanics, The Interstellar Medium, Exoplanet Atmospheres, The Big Bang, Our Starting Point, Thermal and Thermodynamic Equilibrium, Energy Transport.
Author(s): I.J.M. Crossfield
NA Pages
Dark Matter The evidence from astronomy astrophysics and cosmology
This note contains below topics, Stars near the Galactic disk, Virially bound systems, Rotation curves of spiral galaxies, Small galaxy groups emitting Xrays, Mass to luminosity ratios, Mass autocorrelation functions, Strong and weak lensing, Cosmic Microwave Background, Baryonic acoustic oscillations, Galaxy formation in purely baryonic matter, Large Scale Structures simulated.
Author(s): Matts Roos
50 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 eyeopening journey, from how stars work to the structure of the universe itself.
Author(s): Helen Johnston
NA Pages
Astronomy Lecture Notes and Resources
This lecture note covers the following topics: Motions of the Earth and moon, Motion and Gravity, Renaissance Astronomy, Optical Telescopes, Space Exploration, Science and Astronomy, The Solar System, Stellar Systems and Interstellar Matter, Galaxies and the Universe.
Author(s): Luca Bombelli
NA Pages
This book covers the following topics What is Radio Astronomy, Early Radio Astronomy, The Radio Universe, Radiation Fundamentals Brightness and Flux, Radiative Transfer, Blackbody Radiation, Larmors Formula, CMB Radiation, Antenna Fundamentals, Reflector Antennas, Filled Apertures, Radio Telescopes, Radiometers, Interferometers, Thermal Emission, Nonthermal Emission, Pulsars and Spectral Lines.
Author(s): J. J. Condon and S. M. Ransom
NA Pages
Forest Ray Moulton was an American astronomer.In this book he explains all the fundamental principles in astronomy.
Author(s): Forest Ray Moulton
518 Pages
Ned Wrights Cosmology Tutorial
This note covers the following topics: Observations of Global Properties, Homogeneity and Isotropy, Many Distances, Scale Factor, Spatial Curvature, Flatness-Oldness, Horizon, Inflation, Anisotropy and Inhomogeneity.
Author(s): Ned Wright
NA Pages