Pretty easy, overall.
He is a great teacher and keeps the lectures very interesting. He is also very fair in that he states in lectures all information that you will need to know for the exams.
We learned about the structure of the solar system, astronomers of the past that shaped our knowledge of the universe, understandings of the nature of light and different telescopes, and theories of the origin of the universe.
Hours per week:
Advice for students:
Take thorough notes in lecture, and listen to what he has to say. He will tell you all you need to know.