Home

Principles of Astronomy 2

CAS AS 203

  • Critical Thinking
  • Quantitative Reasoning II
  • Scientific Inquiry II

Undergraduate Corequisites: (CASMA123) - Astronomical measurements; time and the celestial sphere; telescopes and observatories; the solar system, orbital motion; comparative planetology; the sun and solar-terrestrial effects; electromagnetic radiation; spectroscopy, stellar properties and stellar evolution; the Milky Way galaxy; galaxies; the universe. Lectures and laboratories. Intended primarily for astronomy or physics concentrators. Carries natural science divisional credit (with lab) in CAS. Effective Spring 2019, this course fulfills a single unit in the following BU Hub areas: Scientific Inquiry II, Quantitative Reasoning II, Critical Thinking.

SPRG 2025 Schedule

Section Instructor Location Schedule Notes
A1 Espaillat CAS 502 MWF 11:15 am-12:05 pm Seating reserved for Astronomy program students for some weeks after first-year student registration opens. Any remaining available seats will open on 12/01/2024. Important: Some Math (MA) or Physics (PY) courses have evening exam times reserved. If applicable, please do not select an AS 203 lab section which conflicts with MA or PY evening exam times.

SPRG 2025 Schedule

Section Instructor Location Schedule Notes
B1 Espaillat CAS 521 M 6:30 pm-9:15 pm

SPRG 2025 Schedule

Section Instructor Location Schedule Notes
B2 Espaillat CAS 521 T 6:30 pm-9:15 pm

SPRG 2025 Schedule

Section Instructor Location Schedule Notes
B3 Espaillat CAS 521 W 6:30 pm-9:15 pm

Note that this information may change at any time. Please visit the MyBU Student Portal for the most up-to-date course information.