| Title | Date published | ||
| Welcome to Astronomy 161 | 2006-09-18 | ||
| Lecture 2: Astronomical Numbers | 2006-09-21 | ||
| Lecture 3: The Starry Night | 2006-09-22 | ||
| Lecture 4: Measuring the Earth | 2006-09-25 | ||
| Lecture 5: Mapping Earth and Sky | 2006-09-26 | ||
| Lecture 6: Daily and Annual Motions | 2006-09-27 | ||
| Lecture 7: The Four Seasons | 2006-09-28 | ||
| Lecture 8: Phases of the Moon | 2006-09-29 | ||
| Lecture 9: Eclipses of the Sun and Moon | 2006-10-02 | ||
| Lecture 10: Telling Time | 2006-10-03 | ||
| Lecture 11: The Calendar | 2006-10-04 | ||
| Lecture 12: The Wanderers - Planetary Motions | 2006-10-05 | ||
| Lecture 13: Greek Astronomy | 2006-10-09 | ||
| Lecture 14: The Revolutions of Nicolaus Copernicus | 2006-10-10 | ||
| Lecture 15: The Watershed: Tycho and Kepler | 2006-10-11 | ||
| Lecture 16: Galileo and the Telescope | 2006-10-12 | ||
| Lecture 17: On the Shoulders of Giants: Isaac Newton and the Laws of Motion | 2006-10-13 | ||
| Lecture 18: The Apple and the Moon - Newtonian Gravity | 2006-10-16 | ||
| Lecture 19: Orbits | 2006-10-17 | ||
| Lecture 20: Tides | 2006-10-18 |