ASTR100

Introduction to Astronomy

Credit only granted for: ASTR100, ASTR101, or ASTR120. An elementary course in descriptive astronomy, especially appropriate for non-science students. Topics include the Sun, Moon, planets, stars, and nebulae, galaxies, and evolution of the Universe. Discussion sections do not meet the first week of classes. Attend lecture before coming to discussion section.

Spring 2026

0 reviews
Average rating: N/A

Fall 2025

10 reviews
Average rating: 4.80

Summer 2025

10 reviews
Average rating: 4.80

0 reviews
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2 reviews
Average rating: 5.00

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Spring 2025

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Past Semesters

22 reviews
Average rating: 1.27

10 reviews
Average rating: 4.80

3 reviews
Average rating: 3.67

3 reviews
Average rating: 3.67

10 reviews
Average rating: 4.80

18 reviews
Average rating: 3.11

6 reviews
Average rating: 5.00

10 reviews
Average rating: 4.80

18 reviews
Average rating: 3.11

10 reviews
Average rating: 4.80

6 reviews
Average rating: 5.00

10 reviews
Average rating: 4.80

6 reviews
Average rating: 5.00

6 reviews
Average rating: 5.00

10 reviews
Average rating: 4.80

10 reviews
Average rating: 4.80

24 reviews
Average rating: 3.25

4 reviews
Average rating: 5.00

11 reviews
Average rating: 1.27

0 reviews
Average rating: N/A

1 review
Average rating: 5.00

1 review
Average rating: 1.00

3 reviews
Average rating: 4.00

0 reviews
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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 2.76 between 5,498 students*

ASTR100 Grade Distribution+-05101520253035% of studentsABCDFWother
A-: 10.15%
A: 16.13%
A+: 6.68%
B-: 8.33%
B: 14.7%
B+: 11.88%
C-: 3.18%
C: 8.46%
C+: 5.44%
D-: 1.16%
D: 2.51%
D+: 1.24%
F: 3.66%
W: 5.82%
other: 0.67%
* "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.