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Kathryn Johnston

Astronomy · Columbia University

Courses Kathryn Johnston teaches

What students said

ASTR UN1836 · Fall 2024 · 5/5

I really liked this class and prof Johnston. Be prepared for some elementary physics, but it's nothing too bad, and she'll give you the formulas on the exam so you just have to know how they work in relation to the content taught. Prof Johnston is a really nice person and very reasonable.

ASTR C1420 · Spring 2024 · 4/5

Johnston might be the happiest person I know who has a PhD. Her lectures are very well organized and pretty engaging, and she presents interesting and pretty state of the art astronomy materials that are understandable to people of all backgrounds. I feel like she is able to do that because she has lots of experience in the field and obviously cares a lot about this class. This is NOT a no work turn your brain off class, but this is a good thing because you actually learn a lot and I believe prof really tries to make the course as stressless as possible.

ASTR C2002 · Summer 2015 · 4/5

Professor Johnston is one of the most enthusiastic teachers I have ever had, and is certainly a good fit for this intro class. She is extremely approachable and helpful, so do not hesitate to her ask questions or ask her for advice about the class material or anything else related to astrophysics. The material can be confusing at times, but never too challenging, and Kathryn does an excellent job of breaking down the different topics and relating them to other parts of the course. Her lectures usually consist of Powerpoint presentations, with breaks here and there to write out proofs or do examples. This course is usually one of the first courses students take in astronomy, so it provides some background material and a basic understanding of concepts in astronomy that can often be used in the more advanced astrophysics classes. Kathryn's excitement about the different lecture topics often showed, which made the class more enjoyable. She does not drone on in a boring fashion, but rather keeps an upbeat sentiment when discussing everything. The most disappointing feature of this class, though not a worrisome issue, was the grading. Kathryn was a very picky grader, so you might lose a point or two on each problem unless they are thoroughly thought out. Ultimately, this was for the better, and helped provide a deeper understanding of the material. The grading was not super harsh,…

CORE C1100 · Fall 2009 · 2/5

If you have taken science since 4th grade, frontiers is in the bag. A few vocab words for each section of the course (4 parts) and basic stats/bar graphs. I don't understand why the core is able to leave the humanities classes at an acceptable level, but feels that it must dumb down science. I was bored out of my mind most of the time. DON'T go to the lectures, it is a waste of your monday morning, read the slides online or listen to podcast and fast forward. The homework usualy took about an hour to hunt down the answers in the slides or do calculations--mostly BS anyway. P. Johnson was good because she actually knows sciences, and has a funny class. this was my least favorite class this semster due to the course, not her specifically. i hope that the administration will revamp frontiers significantly in the next year, as it is now, no one really learns anything, as far as i can tell, but my clas also had a few people who didn't know what the hell was going on, so i guess it's variable. it was easy to hold around a 97% in this class, due to grammar errors in the midterm essay.

ASTR UN1836 · Spring 2023 · 4/5

She is a very peppy and nice person. She tries to get to know the class and is very open/responsive to feedback. She lectures pretty engagingly and lays out what you need to know very clearly for each exam. I thought the class would be a super easy slam dunk no work Fro-sci-esque science requirement fulfilling class, but it takes a fair amount of work and memorization to learn all the material. I found some of the material pretty technical, but the professor does a good job of simplifying and reiterating the more difficult subjects. There are also plenty of opportunities to seek the help you need both with the TA and the prof.That being said, the material was interesting if you have an interest in astronomy. I would recommend this class if you think you would be interesting to you.

ASTR C1420 · Spring 2009 · 4/5

I thought this was an absolutely delightful course! Professor Johnston is a cheerful, open and extremely friendly person who, at least in our class, was really good at engaging the class and lecturing engagingly. It would probably help a lot if you are naturally interested in galaxies, space, or physics, but in general this class wasn't too difficult. It is challenging, and I found myself having to go to see Professor Johnston on a number of occasions for homework help/talking about random interesting things. I didn't take the lab, so i have no idea what happened there, but in terms of this class i would definitely recommend it to anyone interested in astronomy. The only problem i had with this class was that we had to move on to different topics- aka i found everything fascinating.

ASTR C2002 · Summer 2015

5 problem sets, 2-5 hours each, fair and designed to make you think. 1 final group presentation. Kathryn assigned all the groups (of 3 students) a different scientific paper related to some topic covered during the semester. This was her first year doing this, so I'm not sure if she will continue it or not. 1 midterm, 1 final exam, both of which were also fair.

CORE C1100 · Fall 2009

4 three week sections each have three homeworks, one quiz and an in class somesuch. midterm was on first two sections, final on all four.

ASTR C1420 · Fall 2008 · 4/5

A great course and a great professor! Professor Johnston was able to successfully engage the class in discussions and lectures about the universe, a topic which many people don't really know much about. I can't recommend this course to people interested in the physics behind everything, though. Take an astrophysics course you are one of these people. But if you are even remotely interested in gaining an in-depth layman's understanding of the way galaxies are formed and how the universe is structured, definitely take this course!

ASTR C1420 · Spring 2024

5 problem sets, take about 2 hours for each; two midterms one final, both pretty straightforward as long as you go to lectures; final paper that is also pretty chill

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