Barbara Ryden

ryden.1@osu.edu 3.8★(36)diff 3.562% would retake3.20 GPAreddit· Ryden is knowledgeable and respected but one of astronomy's hardest profs — not an easy A, with exam averages in the 60s.(5)

Grade history

469 students across 6 courses · avg 3.20

3.24 GPAmedian 3.3

267 students · 2 terms

267 students total · 2 terms · click to see per-term

2.87 GPAmedian 3.0

60 students · 1 term

60 students total · 1 term · click to see per-term

3.08 GPAmedian 3.3

55 students · 2 terms

55 students total · 2 terms · click to see per-term

3.28 GPAmedian 3.7

50 students · 2 terms

50 students total · 2 terms · click to see per-term

3.22 GPAmedian 3.3

19 students · 1 term

19 students total · 1 term · click to see per-term

3.86 GPAmedian 4.0

18 students · 1 term

18 students total · 1 term · click to see per-term

Source: historical OSU grade releases via thegradeguide.com (Adam Gluck), Spring 2016 – Summer 2023. FERPA-filtered: sections under 10 students excluded.

Sections this term

2

Courses

2

Enrolled

0

Open sections

2

Teaching Summer 2026

ASTRON 8998Directed Research in Astronomy and Astrophysics

1 section

#	Sec	Days/Time	Room	Enrollment
13302	170	TBA	TBA	Open

ASTRON 8999Research in Astronomy and Astrophysics

1 section

#	Sec	Days/Time	Room	Enrollment
13323	0170	TBA	TBA	Open

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