Pt. 1. lecture 1. A grand tour of the cosmos ; lecture 2. Journey through space and time ; lecture 3. Light : the supreme informant ; lecture 4. The fingerprints of atoms ; lecture 5. Tools of the trade ; lecture 6. Space telescopes and the celestial sphere ; lecture 7. Our sun : the nearest star ; lecture 8. Lunar phases and glorious eclipses
pt. 2. lecture 9. The early history of astronomy ; lecture 10. The Copernican revolution ; lecture 11. On the shoulders of giants ; lecture 12. One small step : the Earth and Moon ; lecture 13. Paradise lost : Venus and Mars ; lecture 14. Planetary behemoths : Jupiter and Saturn ; lecture 15. Distant worlds and solar system debris ; lecture 16. Comets and catastrophic collisions
pt. 3. lecture 17. Distant suns ; lecture 18. Social stars : binaries and clusters ; lecture 19. Nature's nuclear reactors ; lecture 20. The fate of our sun ; lecture 21. Exploding stars : celestial fireworks ; lecture 22. The corpses of massive stars ; lecture 23. Hearts of darkness ; lecture 24. The quest for black holes
pt. 4. lecture 25. Starting at home : the Milky Way ; lecture 26. One giant leap : other galaxies ; lecture 27. The dark side of matter ; lecture 28. The birth and life of galaxies ; lecture 29. Quasars : cosmic powerhouses ; lecture 30. In the belly of the beast ; lecture 31. Are we alone? : the search begins ; lecture 32. Communicating with extraterrestrials
pt. 5. lecture 33. The expansion of the universe ; lecture 34. The age of the universe ; lecture 35. The geometry and fate of the universe ; lecture 36. Einstein's biggest blunder? ; lecture 37. Echoes of the big bang ; lecture 38. In the beginning ; lecture 39. The ultimate free lunch? ; lecture 40. A universe of universes.
