PHYS 342

Introduction to Astrophysics

California State University San Marcos · UGRD · Fall 2026

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Introduces applications of physics to understanding the universe for physics and physical science majors. Includes historical development of astronomy and astrophysics, gravitation, blackbody radiation, principles of telescopes and imaging, stellar equilibria and thermonuclear fusion, galaxies, large-scale structure and expansion of the universe, and general cosmology. Other topics may include astronomical applications of relativity and magnetohydrodynamics. May not be taken for credit by students who received credit for: PHYS 490-7. Prerequisite(s): PHYS 203 with a grade of C (2.0) or better.

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Class #california_san_marcos-2490Fall 2026UGRD3 credits
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