The evolution of cosmological thought from prehistory to the present: Greek astronomy, Copernicus, Galileo, Newton, and Einstein. Motion, gravity, and the nature of space-time. The expanding universe. The early universe and Big Bang. Carries natural science divisional credit in CAS. Effective Fall 2018, this course fulfills a single unit in each of the following BU Hub areas: Scientific Inquiry I, Quantitative Reasoning I, Critical Thinking.
FALL 2025 Schedule
| Section |
Instructor |
Location |
Schedule |
Notes |
| A1 |
Brout |
CAS B12 |
TR 2:00 pm-3:15 pm |
Students registering for CAS AS 109 must register for two sections: a Lecture section, and a Discussion section. |
FALL 2025 Schedule
| Section |
Instructor |
Location |
Schedule |
Notes |
| B1 |
Brout |
CAS 415 |
M 12:20 pm-1:10 pm |
|
FALL 2025 Schedule
| Section |
Instructor |
Location |
Schedule |
Notes |
| B2 |
Brout |
CAS 415 |
M 1:25 pm-2:15 pm |
|
FALL 2025 Schedule
| Section |
Instructor |
Location |
Schedule |
Notes |
| B3 |
Brout |
CAS 415 |
T 12:30 pm-1:20 pm |
|
FALL 2025 Schedule
| Section |
Instructor |
Location |
Schedule |
Notes |
| B4 |
Brout |
CAS 521 |
T 3:35 pm-4:25 pm |
|
FALL 2025 Schedule
| Section |
Instructor |
Location |
Schedule |
Notes |
| B5 |
Brout |
CAS 415 |
W 1:25 pm-2:15 pm |
|
FALL 2025 Schedule
| Section |
Instructor |
Location |
Schedule |
Notes |
| B6 |
Brout |
CAS 521 |
R 11:15 am-12:05 pm |
|
FALL 2025 Schedule
| Section |
Instructor |
Location |
Schedule |
Notes |
| B7 |
Brout |
CAS 415 |
F 11:15 am-12:05 pm |
|
FALL 2025 Schedule
| Section |
Instructor |
Location |
Schedule |
Notes |
| B8 |
Brout |
CAS 415 |
F 12:20 pm-1:10 pm |
|
Note that this information may change at any time. Please visit the MyBU Student Portal for the most up-to-date course information.
