ASTR121

Introductory Astrophysics II - Stars and Beyond

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Prerequisite: ASTR120 and MATH140; or permission of CMNS-Astronomy department. For students majoring in astronomy or with a strong interest in science. Includes instrumentation, stellar properties, stellar evolution, structure of the galaxy, other galaxies, large scale structure, Big Bang Theory, and future of the universe.

Spring 2026

Suvi Gezari

0 reviews
Average rating: N/A

Spring 2025

Michael Miller

0 reviews
Average rating: N/A

Past Semesters

Derek Richardson

2 reviews
Average rating: 4.50

Stuart Vogel

4 reviews
Average rating: 4.00

Stuart Vogel

4 reviews
Average rating: 4.00

Jongwon Park

0 reviews
Average rating: N/A

Michael Miller

0 reviews
Average rating: N/A

Douglas Hamilton

0 reviews
Average rating: N/A

During the Spring 2020 and Spring 2021 semesters, students could choose to take some of their courses pass-fail mid-semester which skews grade data aggregated across multiple semesters.

Average GPA of 3.12 between 476 students*

ASTR121 Grade Distribution+-05101520253035404550% of studentsABCDFWother
A-: 18.49%
A: 21.64%
A+: 7.56%
B-: 6.3%
B: 12.82%
B+: 13.03%
C-: 2.73%
C: 3.78%
C+: 5.25%
D-: 0.42%
D: 1.26%
D+: 1.26%
F: 1.05%
W: 4.2%
other: 0.21%
* "W"s are considered to be 0.0 quality points. "Other" grades are not factored into GPA calculation. Grade data not guaranteed to be correct.