Astronomy · Fall 2026
SDSU ASTR 450 — Extragalactic Astronomy
Review of basic astrophysics; flux and intensity measurements, blackbody radiation, the astronomical magnitude system, interstellar extinction, and distances determinations within the galaxy; morphological properties of galaxies; stellar populations; extragalactic distance indicators and the cosmological distance scale; introduction to cosmology.
Course requirements
Prerequisites: ASTR 201 or equivalent; MATH 150, MATH 151; PHYS 195, PHYS 196, PHYS 197.
- ASTR 201 or equivalent; MATH 150, MATH 151; PHYS 195, PHYS 196, PHYS 197.
Fall 2026 enrollment options
Seat status can change| Class # | Format | Status | Seats | Time | Location | Professor | RateMyProfessors |
|---|---|---|---|---|---|---|---|
| 9930 Discussion | In person | Open | 22 / 25 | Tue/Thu 9:30 AM–10:45 AM | PS 256 | Kate Rubin | 2.5/5 · 27 reviews Difficulty 3.7 · 32% take again |