Hardest ASTR classes at UIUC

Ranked by average GPA from official grade distributions. Only courses with at least 100 graded students.

1. ASTR 210: Introduction to Astrophysics Average GPA 3.03, 2,027 students
2. ASTR 406: Galaxies and the Universe Average GPA 3.08, 507 students
3. ASTR 405: Planetary Systems Average GPA 3.09, 633 students
4. ASTR 100: Introduction to Astronomy Average GPA 3.10, 16,471 students
5. ASTR 121: Solar System and Worlds Beyond Average GPA 3.11, 4,008 students
6. ASTR 414: Astronomical Techniques Average GPA 3.13, 380 students
7. ASTR 404: Stellar Astrophysics Average GPA 3.17, 521 students
8. ASTR 122: Stars and Galaxies Average GPA 3.22, 4,733 students
9. ASTR 310: Computing in Astronomy Average GPA 3.39, 403 students
10. ASTR 150: Killer Skies: Astro-disasters Average GPA 3.44, 2,404 students
11. ASTR 350: Big Bang,black Holes,universe Average GPA 3.56, 947 students
12. ASTR 330: Extraterrestrial Life Average GPA 3.60, 3,402 students

See also: Easiest classes, UIUC course catalog, ASTR course catalog.