Aims and Objectives
By the end of this lecture and corresponding lab session you should:
- know how the Sun moves on the celestial sphere over the course of a year;
- understand how that impacts which stars are visible at any given time of year;
- know the terms sidereal day and solar day, and why they differ;
- know about precession of the equinoxes;
- understand why the Earth has seasons
- understand basic timekeeping.