Astronomy · Fall 2026, Winter 2027, Spring 2027, & Summer 2027

SDSU ASTR 450 — Extragalactic Astronomy

3.00 units 1 enrollment option

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

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