The Astronomy department offers courses that provide an understanding of the cosmos on a range of physical scales spanning our solar system, out to our galaxy, and well into the frontiers beyond. Course offerings are suitable for students at all levels of preparation.

For students interested in astronomy, the department offers a variety of courses without any prerequisites that focus on current knowledge and new discoveries that pertain to the structure, formation, and evolution of planets, stars, galaxies, and the universe as a whole. Courses with numbers below 150 offer a broad, nontechnical introduction to astronomy and include:

Courses numbered from 150 to 199 are topical and may assume some high school preparation in physics and/or mathematics. They include, for example, ASTR 160, Frontiers and Controversies in Astrophysics. Courses that offer an intensive introduction to modern astronomy for students who have a strong background in high school physics and mathematics include ASTR 210, Stars and Their Evolution, and ASTR 220, Galaxies and Cosmology.