AI Rate Professor

Science

Jon Celesia

PHYS130 · PHYS230 · ASTRO120 · PHYS101 · ASTRONOMY120 · PHYS110L · 85 lifetime ratings

AI rating
58/100
RMP rating
3.8/5
Take again
52.08%
Difficulty
3.4

The decision

if you value an engaged professor and can keep up with heavy structured work, but if you want a low-effort science credit.

Best fit · Effort For RewardPassionate lecturerHeavy workloadRequired textbookCaring but polarizingAttendance matters
  • Astronomy reviews are often enthusiastic, while PHYS101 reviews are sharply negative about workload and the textbook.
  • Getting an A is possible, but students repeatedly , and attendance.
  • Students like his passion and approachability, but many dislike the amount of required work for lower-unit courses.

Key questions

Four answers before you build your schedule.

Is this an easy A?

FairEffort

52/100

An A is realistic in several classes, but students repeatedly , and studying.

Online evidence shows heavy effort even for lower-unit classes, while if students follow the routine.

Is the course easy?

Standard

45/100

The content is not always conceptually impossible, but the pace, textbook style, and workload make it feel harder than expected.

Online PHYS101 reviews describe simple ideas becoming confusing, while but still substantial work.

Is attendance flexible?

Recommended

38/100

Attendance is not always described as formally mandatory, but many students and exams.

Online astronomy notes say Zoom was not mandatory but useful, while for exams.

Is this professor recommended?

Depends

56/100

Students strongly recommend him for motivated astronomy or physics learners, but many PHYS101 students advise avoiding the class.

Online reviews are more negative overall, while but still workload-heavy.

Course guide

See how this professor fits your week.

Grading

Fair

58/100

Students mention clear criteria, partial credit, late-work flexibility in some classes, and , but .

Format shift

Online grading evidence is limited and mixed, while tied to doing the assigned work.

Workload

Heavy

24/100

Many reviews cite lots of , and long textbook exercises.

Format shift

Both formats report heavy workload, with online PHYS101 reviews describing it as especially excessive for the course units.

Teaching experience

Good

72/100

He is often described as passionate, caring, and accessible, but PHYS101 students and overcomplicated.

Format shift

In-person astronomy reviews praise his teaching more consistently, while online PHYS101 reviews are much more critical.

Assessment method

Balanced

55/100

Assessment , and exams rather than relying on only one method.

Format shift

Online reviews emphasize textbook activities and homework, while , and lecture-based test content.

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

34 reviews

High confidence · Best fit for Effort For Reward

In-person reviews are more positive, especially in astronomy, but still warn about lots of , and .

Main concern

Students need to attend, read, and .

What students said

“There is lots of homework but the exams.”
ASTRO120
“I got a B, and had to work like crazy to earn that.”
PHYS130
“He's very passionate about astronomy &truly wants to see his students succeed.”
ASTRO120

Remote format

Online

16 reviews

High confidence · Best fit for Self Taught Pro

Online reviews are much harsher, especially for PHYS101, where students complain , and his textbook.

Main concern

Online students often felt the workload and textbook made simple concepts harder than necessary.

What students said

“This class was miserable.”
PHYS101
“This course is only 2 units, but it's drained all of my time.”
PHYS101
“ but if you have questions.”
ASTRONOMY120

Exam style

Know what to expect from exams and major assignments.

and homework, but they do not clearly prove open-book, proctoring, Lockdown Browser, or webcam policies.

Lecture-Based Exam ContentMultiple Choice And Short Answer TestsTough Physics TestsHomework Helps Exams

Assessment risk

Standard

48/100

Low score means less forgiving assessment conditions.

In person

In-person reviews , and tough physics exams, but they do not clearly prove closed-book or proctoring policies.

Lecture-Based Exam ContentMultiple Choice And Short Answer TestsTough Tests
“ if you pay attention to the drawings he does in lectures!”
ASTRONOMY120
“He expects a lot of repetition and has 3-4 multiple choice and .”
ASTRO120
“Although there are lots of readings and which will lift you up.”
PHYS230

Online

and quizzes, but they do not clearly prove webcam, proctoring, Lockdown Browser, open-book, midterm, or .

Homework And Quiz Practice
“I studied a and quiz's!”
ASTRO120

Student evidence

See what students actually said.

Top student voice

“Mr. Celesia is a real gem, we need more people like him in the world. He is passionate and his lectures are captivating. , though the class won't be an easy A.”

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

🎯 Teaching Quality

72/100

“He is passionate and his lectures are captivating.”

📚 Workload Reality

24/100

“This course is only 2 units, but it's drained all of my time.”

⚖️ Grade Effort

52/100

“You have to earn it, but just do as he says and you'll do fine.”

Theme 1

👨‍🏫 About Teaching Style

  • He made the subject matter easy to understand and will answer any question you may have.
  • The professor is funny, super energetic, and really passionate about his subject.
  • Only plus is that and will work through problems with you if you ask.

Theme 2

📈 About Difficulty And Grades

  • You will have to put in the time to pass the class , but if you do an A is possible.
  • This class is quite difficult.
  • not an easy A. Work for it, read and do good in class and youll be fine!

Theme 3

📚 About Workload And Materials

  • All we need in this course is to buy his book, read every single word, and do every single exercise in HIS BOOK.
  • There is weekly Hand IN's, Flashcards, and .
  • Lots of reading but .

Data context

See exactly what the AI read.

Analysis sample

50

Recent reviews read by the AI

85

Lifetime ratings

92/100

Evidence confidence

The analysis is based on 50 detailed reviews across many years, multiple courses, and both online and in-person formats.

Inside 50 stored ratings

Quality ratings

5 out of 544
4 out of 514
3 out of 57
2 out of 57
1 out of 513

Course coverage

ASTRO12019 reviews
PHYS10116 reviews
ASTRONOMY1208 reviews
PHYS1304 reviews
PHYS110L2 reviews
Show 1 more courses
PHYS2301 review

Reported outcomes

No letter grade reported results lead the reported letter grades.

43 reported outcomes

A range

15

A+ 4 · A 11

B range

8

B+ 2 · B 6

C range

1

C+ 1

D range

0

No reported values

F

0

No reported values

No letter grade reported

19

Audit/No Grade 1 · Drop/Withdrawal 5 · Not sure yet 12 · Rather not say 1