| 2001-06-22 | Your grade for the semester. |
| 2001-06-13 | June 18 final exam; your grade so far |
| 2001-05-04 | Prof Chen is going to visit China on an academic tour next week. The class on Monday features Prof Wei-Hsin Sun, *the* star lecturer. Be there and get a good seat! |
| 2001-04-30 | Homework set HW010430 is here. |
| 2001-04-11 | Midterm exam on April 16 Monday 10 am to noon |
| 2001-04-9 | Homework HW010409 is here. |
| 2001-03-11 | The first homework assignment is here: HW010312 |
| 2001-03-17 (Saturday) | We will visit the Taipei Astronomical Museum today; transportation will be provided. |
| 2001-02-21 | First Class; continued on small bodies in the solar system |