This seminar will explore one of a variety of subjects in greater depth than in introductory courses. Possible topics include stars, galaxies, the solar system, the interstellar medium, relativity and cosmology, history of astronomy, observational astronomy, and life in the universe.

This course is an introduction to order-of-magnitude physics - the art of computing practical answers to physical problems in a fast and efficient manner by sacrificing some precision. We will tackle problems using a wide range of physical concepts taken from atomic physics, quantum mechanics, material physics, fluid mechanics, and celestial mechanics. At the same time, it also serves as a survey of astronomical topics. Students will learn about the properties and evolution of astronomical objects, such as moons, planets, neutron stars, black holes, and even the entire universe as a whole, by utilizing order-of-magnitude calculations to obtain a quantitative picture. After this course, order-of-magnitude calculations will become a powerful tool for students to not only answer physical problems, but also to deepen their understanding of the underlying physics. Prerequisites: Basic knowledge of calculus such as the concepts of differentiation and integration is required. We assume competence in high-school level physics on topics including Newtonian motion, thermodynamics, wave mechanics, and nuclear and atomic physics. An open mind is highly recommended.

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Requirements class fulfills