Lectures 1 Introduction 2 Observing the Sky 3 Orbits and Gravity 4 Earth, Moon and Sky 5 Radiation 6 Telescopes 7 The Solar System 8 Earth 9 Earth’s Moon and Mercury 10 Venus and Mars 11 The Giant Planets 12 Rings, Moons and Pluto 13 Astroids and Comets 14 Origin of the Solar System 15 The Sun: A Normal Star 16 The Sun: An Energy Source 17 Starlight 18 The Stars: A Census 19 Stellar Distances 20 The Interstellar Medium 21 Starformation 22 The Life of Stars 23 The Death of Stars 24 Black Holes 25 The Milky Way 26 Galaxies 27 Active Galaxies 28 The Evolution of Galaxies 29 Cosmology 30 Life in the Universe