Explore courses Fall 2026 Easiest courses↗ Hardest courses↗
Find your next class 11 courses All departments Fall 2026 Recorded offerings All levels Any credits Course match Historical grades cover up to five years through the selected term. Grade sorting prioritizes courses with at least 100 letter grades.
Lower grades Large lectures
ASTRON 103 explores the universe, covering stars, galaxies, black holes, and cosmology.
Offering recorded · Fall 2026
Historical reviews of Matthew Bershady, Thomas Beatty: The course involves significant textbook reading and algebra, with some instructors providing difficult exams that diverge from homework difficulty.[1, 2] Sources
3 . 4 3 3.43 historical GPA · 3 , 2 0 2 3,202 grades
Spring 2022–Spring 2026 Intensive study of selected modern astronomy topics including planetary missions, stellar evolution, and cosmology.
Offering recorded · Fall 2026
3 . 9 6 3.96 historical GPA · 1 2 12 grades
Spring 2025–Fall 2025 · limited sample ASTRON 199 is an introductory directed study allowing students to conduct mentored independent research arranged with faculty.
Offering recorded · Fall 2026
4 . 0 0 4.00 historical GPA · 2 2 grades
Spring 2022–Spring 2022 · limited sample Covers modern astrophysics, applying physical principles to the solar system, stars, nebulae, galaxies, and cosmology.
Offering recorded · Fall 2026
Historical reviews of Elena D''Onghia: Reviewers report minimal homework given right before exams as mock practice and super easy midterms based on textbook content.[1, 2] Sources
3 . 5 8 3.58 historical GPA · 2 7 0 270 grades
Spring 2022–Spring 2026 A basic introduction to observational astronomy and data analysis using optical and radio telescopes.
Offering recorded · Fall 2026
3 . 7 8 3.78 historical GPA · 6 9 69 grades
Fall 2023–Fall 2025 · limited sample ASTRON 681 is an individual study course for seniors to complete honors theses in the Astronomy major under faculty supervision.
Offering recorded · Fall 2026
No recorded grade history
ASTRON 682 is a continuation of ASTRON 681 for seniors completing honors theses in astronomy under faculty supervision.
Offering recorded · Fall 2026
4 . 0 0 4.00 historical GPA · 2 2 grades
Spring 2022–Spring 2022 · limited sample ASTRON 692 is a senior thesis course involving individual study and thesis completion arranged with a faculty member.
Offering recorded · Fall 2026
4 . 0 0 4.00 historical GPA · 3 3 grades
Spring 2022–Spring 2022 · limited sample Highly rated instructor
ASTRON 699 is a directed study course for junior and senior students to conduct independent projects arranged with a faculty member.
Offering recorded · Fall 2026
4 . 0 0 4.00 historical GPA · 2 2 grades
Spring 2022–Spring 2022 · limited sample Highly rated instructor
ASTRON 990 is a research and thesis course providing advanced mentored reading and research opportunities for graduate students.
Offering recorded · Fall 2026
No recorded grade history
A graduate seminar covering current topics in astrophysics.
Offering recorded · Fall 2026
3 . 9 8 3.98 historical GPA · 1 1 5 115 grades
Spring 2022–Spring 2026 Looking for a professor? →