ASTR 20A
Introduction 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: MATH 20A-B-C or 31BH and PHYS 2A/2AR-B or 4A and 4C.
Topics
- 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
Topics explicitly listed in official catalogue description
Sources
- Course catalogue ↗2026-2027