AI Rate Professor

Astronomy

Ross Cohen

PHYC240 · PHYS240 · ASTRONOMY · PHY240 · ASTR110 · PHYS140 · PHY140 · ASTRONOMY110 · AST120 · AST110 · PHYSICS140 · ASTO110 · ASTRO110 · PHYC140 · 64 lifetime ratings

AI rating
49/100
RMP rating
3.2/5
Take again
50%
Difficulty
3.8

The decision

Take him if you want structured learning and , but if you need an easy A or a very gentle instructor.

Best fit · Effort For RewardClear but demanding lecturerTest-heavy gradingLots of homeworkAttendance mattersPolarizing personality
  • Physics reviews describe a hard course where effort helps you pass but rarely makes an A easy.
  • Astronomy reviews are more mixed, with and easy while others found lectures dull or fast.
  • , and .

Key questions

Four answers before you build your schedule.

Is this an easy A?

HardWork

38/100

An A is difficult in physics because tests dominate and students repeatedly say you must work hard, though astronomy can be easier with attendance and attention.

because there are no online reviews.

Is the course easy?

Challenging

36/100

Physics is consistently described as hard, while astronomy .

All course .

Is attendance flexible?

Mandatory

25/100

Students repeatedly say attendance and paying attention in lecture are necessary for passing or getting a good grade.

.

Is this professor recommended?

Depends

52/100

and structure, but many warn against him because of and a harsh style.

All .

Course guide

See how this professor fits your week.

Grading

Strict

28/100

as harsh, especially because .

Format shift

.

Workload

Heavy

30/100

Reviews mention lots of , and test preparation as normal expectations.

Format shift

All .

Teaching experience

Average

55/100

Many students call his lectures clear and useful, but others describe him as .

Format shift

All .

Assessment method

FocusOnExams

82/100

Grades appear heavily shaped by tests and and labs mainly supporting preparation.

Format shift

All .

Luni fit check

Weigh these signals against your actual schedule.

Get help balancing workload, grading, and timing when no option is an obvious fit.

Course format

Compare the in-person and online experience.

Classroom format

In person

50 reviews

High confidence · Best fit for Effort For Reward

In-person reviews show a and helpful but is polarizing and sometimes viewed as harsh.

Main concern

The and .

What students said

“Hard to fail if you put in the effort, but equally hard to ace.”
PHYC240
“ , but you will learn.”
PHYS240
“The class is an easy A.”
ASTRONOMY110

Remote format

Online

0 reviews

Low confidence

No stored summary is available for this format.

Main concern

No main concern is stored for this format.

Exam style

Know what to expect from exams and major assignments.

Reviews , but they do not clearly prove open-book rules, proctoring, or closed-book policies.

Test HeavyHard ExamsLecture-Based TestsComprehensive Final

Assessment risk

Strict

35/100

Low score means less forgiving assessment conditions.

In person

In-person reviews describe difficult tests based on lecture, homework, and study guides, with .

Hard ExamsLecture-Based TestsComprehensive Final
“ , but he's not out to fail you.”
PHYC240
“The and if you study hard you will do well.”
ASTRO110
“ ,so study ahead of time”
PHYS240

Online

Student evidence

See what students actually said.

Top student voice

“Hard to fail if you put in the effort, but equally hard to ace.”

Voice snapshots generated from 50 reviews, highlighting key themes in , and exams. Credibility rating: High.

🎯 Teaching Quality

55/100

“Dr. Cohen is underrated! .”

📈 Grade Difficulty

38/100

“If you want an A .”

🧪

35/100

“ , but he's not out to fail you.”

Theme 1

👨‍🏫 About Teaching Style

  • Cohen is one of the few physics teachers at Grossmont who cares.
  • He talks to fast so you better be a fast writter or your out of luck

Theme 2

📈 About Difficulty and Grades

  • Hard to fail if you put in the effort, but equally hard to ace.
  • , but you will learn.
  • The class is an easy A.

Theme 3

📝 About Workload and Exams

  • and homework!
  • Study HARD for exams!
  • Lots of to pass.

Data context

See exactly what the AI read.

Analysis sample

50

Recent reviews read by the AI

64

Lifetime ratings

88/100

Evidence confidence

The rating is credible because it uses 50 reviews across many years with , and polarizing teaching.

Inside 50 stored ratings

Quality ratings

5 out of 520
4 out of 514
3 out of 59
2 out of 512
1 out of 59

Course coverage

ASTR11010 reviews
ASTRONOMY5 reviews
PHYS1405 reviews
PHYS2405 reviews
ASTRONOMY1104 reviews
Show 10 more courses
PHYC1404 reviews
PHYC2404 reviews
AST1103 reviews
ASTRO1102 reviews
PHY1402 reviews
PHY2402 reviews
2401 review
AST1201 review
ASTO1101 review
PHYSICS1401 review

Reported outcomes

B range results lead the reported letter grades.

7 reported outcomes

A range

2

A 1 · A- 1

B range

3

B+ 2 · B 1

C range

0

No reported values

D range

0

No reported values

F

0

No reported values

No letter grade reported

2

Not_Sure_Yet 1 · Rather not say 1