# Astronomy (ASTR) courses

Gavilan College · 2026-2027 Catalog · 1 courses

Source: https://gavilan.curriqunet.com/catalog/iq/4259/4260/4269

"Offered" lists sections in this catalog year's class schedules: Summer 2026, Fall 2026, Spring 2027.

### ASTR 1 — Introduction to General Astronomy

- **Units:** 3
- **Advisory:** Mathematics 430 or skills equivalent to those in an Elementary Algebra course and college level reading and writing skills
- **Offered:** Summer 2026, 2 sections (/c/gavilan-college/schedule/summer-2026/astr.md); Fall 2026, 5 sections (/c/gavilan-college/schedule/fall-2026/astr.md); Spring 2027, 4 sections (/c/gavilan-college/schedule/spring-2027/astr.md)
- Grading: Standard Letter Grade

An introduction to the realm of astronomy and space science. Topics to be covered include the historical development of astronomy, the physics of gravitation and radiation, the solar system, stellar astronomy, galactic and extragalactic astronomy, and cosmology. ADVISORY: Mathematics 430 or skills equivalent to those in an Elementary Algebra course and college level reading and writing skills.