Professor

Erik Petigura

AD
3.6
Overall Ratings
Based on 30 Users
Easiness 3.1 / 5 How easy the class is, 1 being extremely difficult and 5 being easy peasy.
Workload 3.3 / 5 How light the workload is, 1 being extremely heavy and 5 being extremely light.
Clarity 3.3 / 5 How clear the professor is, 1 being extremely unclear and 5 being very clear.
Helpfulness 3.5 / 5 How helpful the professor is, 1 being not helpful at all and 5 being extremely helpful.

Reviews (30)

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CLUSTER 70B
COVID-19 This review was submitted during the COVID-19 pandemic. Your experience may vary.
March 10, 2022
Quarter: Winter 2022
Grade: A

Okay but seriously, this quarter was significantly harder than the last because of the pace of lectures, Petigura and Brown consistently went over time to cram as much as they could in the 75 minutes.

Readings are lowkey useless, so just try to skim them and finish them for lab points, but REALLY pay attention in lecture because the quizzes can kick your butt if you don't keep up

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Jan. 22, 2026
Quarter: Fall 2025
Grade: B+

I thought that this class was going to be easy-- as the previous reviews say. However, I think that in recent times, they have transitioned this class from primarily online to in-person, absolutely destroying the ease of this class. I would never take this class again. I studied weeks in advance for the quizzes, staying up late every night and writing every note on our one-page cheat sheet, but the quizzes were genuinely impossible. The quizzes were ridiculously hard, 20 multiple-choice questions and three throughout the quarter, asking about a fact that the professor probably said once and wrote in size 8 font on the slides. They ended up curving at the end of the quarter since the grade average was a D, but to this day, they have not disclosed what the curve was or how it was applied. My friend who had 6% higher ended up with the same grade as me. The final wasn't that bad; they realized that everyone was doing poorly and just repeated quiz questions on the final. Overall, a horrible class; the lectures were extremely detailed, overly extensive, and boring. Might be a fun class for someone genuinely interested in the cosmos, but as a humanities major, this class was NOT an easy GE. The final paper was graded lightly, though, depending on the TA.
Original grade make up: Lab assignments / participation 25% A-

Writing Assignment 35%
Quizzes 20%/30%
Final Exam 20%/10%
Total 100%

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CLUSTER 70A
COVID-19 This review was submitted during the COVID-19 pandemic. Your experience may vary.
March 31, 2022
Quarter: Fall 2021
Grade: A

a beautiful man with a beautiful voice

Helpful?

0 0 Please log in to provide feedback.
CLUSTER 70B
COVID-19 This review was submitted during the COVID-19 pandemic. Your experience may vary.
Quarter: Winter 2022
Grade: A
March 10, 2022

Okay but seriously, this quarter was significantly harder than the last because of the pace of lectures, Petigura and Brown consistently went over time to cram as much as they could in the 75 minutes.

Readings are lowkey useless, so just try to skim them and finish them for lab points, but REALLY pay attention in lecture because the quizzes can kick your butt if you don't keep up

Helpful?

0 0 Please log in to provide feedback.
CLUSTER 70A
Quarter: Fall 2025
Grade: B+
Jan. 22, 2026

I thought that this class was going to be easy-- as the previous reviews say. However, I think that in recent times, they have transitioned this class from primarily online to in-person, absolutely destroying the ease of this class. I would never take this class again. I studied weeks in advance for the quizzes, staying up late every night and writing every note on our one-page cheat sheet, but the quizzes were genuinely impossible. The quizzes were ridiculously hard, 20 multiple-choice questions and three throughout the quarter, asking about a fact that the professor probably said once and wrote in size 8 font on the slides. They ended up curving at the end of the quarter since the grade average was a D, but to this day, they have not disclosed what the curve was or how it was applied. My friend who had 6% higher ended up with the same grade as me. The final wasn't that bad; they realized that everyone was doing poorly and just repeated quiz questions on the final. Overall, a horrible class; the lectures were extremely detailed, overly extensive, and boring. Might be a fun class for someone genuinely interested in the cosmos, but as a humanities major, this class was NOT an easy GE. The final paper was graded lightly, though, depending on the TA.
Original grade make up: Lab assignments / participation 25% A-

Writing Assignment 35%
Quizzes 20%/30%
Final Exam 20%/10%
Total 100%

Helpful?

0 0 Please log in to provide feedback.
CLUSTER 70A
COVID-19 This review was submitted during the COVID-19 pandemic. Your experience may vary.
Quarter: Fall 2021
Grade: A
March 31, 2022

a beautiful man with a beautiful voice

Helpful?

0 0 Please log in to provide feedback.
3 of 3
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