# Astronomy (ASTR) courses

College of the Siskiyous · 2026-2027 Catalog · 1 courses

Source: https://siskiyous.elumenapp.com/catalog/cos26-27catalog/astr

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

### ASTR 1110 — Astronomy

- **Units:** 3
- **Hours:** 3 hours lecture weekly, 54 contact hours total
- **Transfers to:** CSU, UC
- **Offered:** not on the Fall 2026, Winter 2027, Spring 2027 schedules

Astronomy introduces physical models for gravity and light and then builds on our understandings of these phenomena to explore the motions, properties and histories of celestial objects ranging from nearby planets and stars to distant galaxies and the Universe itself.