**Review** Undergraduate Catalog 2025-2026
**Review** Undergraduate Catalog 2025-2026 > Course Descriptions > AST - Astronomy > 100 > AST 109
Present concepts of the universe, including the "big bang" and "steady state" theories, black holes and continuing expansion. Programs such as "Cosmos" will be studied.
If a student completes AST 109, then credit will not be allowed for these courses: AST 100 and AST 101
LAS1-Natural &Physical Science and GT Natural & Phys Science