ASTR 20AIntroduction to Astrophysics I
First course in a two-quarter sequence of an introduction to astrophysics. This course covers the formation and evolution of stars and their planetary systems. Topics include telescopes, measuring distances to and masses of stars, thermal radiation and stellar spectra, energy generation in stars, stellar evolution, variable stars, orbital dynamics, the solar system, planetary atmospheres, and exoplanets.
Prerequisites
From the catalog: “MATH 20A-B-C or 31BH and PHYS 2A/2AR-B or 4A and 4C.”
Where it sits in degree plans
Suggested plans most often put it in Year 2 · Fall (2 programs).
Required in (2)
- Astronomy and Astrophysics
- Astrophysical Sciences
Courses that list ASTR 20A as a prerequisite (1)
- ASTR 20B Introduction to Astrophysics II