This course might be too challenging if you go into it was zero physics under your belt. The formulae discussed aren't very difficult, but I would not have had an easy time with them without some physics from highschool under my belt.

The course's biggest strength are its scope and the interviews that the professor had with leading scientists. Scope wise you will cover a lot of the latest discoveries in astronomy and biology, from planet finding missions to extremophile bacteria. The interviews are all interesting, and bring in some famous scientists like Freeman Dyson.

I recommend taking the lectures at 2x speed, if you can handle the math.

While in some aspects the course would benefit from more explanations on the steps done to achieve certain formulas and equations, most ideas in the course are novel, clear and helpful for learning about planetary science and space. I liked that the course gives a gateway to then further explore the topic.

Thorough, lengthy, weeks-long grounding in the subject. Only problem is stupid peer review.

I took this course completely for fun, so did not complete any assignments, but I want to say that I enjoyed it immensely! Our lecturer brought immense enthusiasm to the rather heavy topic of astronomy and physics and managed to make it reasonable even to those of a non-science background (like me!). The people interviewed also brought very unique views and experiences to the subject, and gave us a good first-hand account of what it is like to research and work on NASA projects and other spacefaring missions. Thank you to everyone who made this happen, I hope many other students share the same satisfaction from taking this online course!

Prof David Spergel provides excellent knowledge along with a wonderful style of presentation filled with examples and interviews to supplement the information. The background knowledge leading up to Exoplanet sessions is invaluable to anyone to develop knowledge in Astronomy as a subject. Wonderful course!

great course that was a good fit for me as a starter in the field! Was able to listen to lectures at work and do my assigments with very little difficulty. also get to say i've passed a princeton course with a 100 average which is def. an ego boost!

I learned a lot from the course. The writing assignments were difficult, however, they did help to understand the concepts that were gone over in this class. The visuals were helpful as well. I would recommend this course.

I loved LOVED this course! It was super interesting, intriguing, and kept me constantly questioning everything. I genuinely enjoyed this course. The professor was great, and he knew how to keep his students involved.

I learned a lot about the Universe and found Professor D. Spergel a great instructor. Writing the 3 essay's brought me back to my student day's and was very refreshing!

Un curso excelente que tiene muy buen esquema en su método de enseñanza, cumpliendo con la formación del estudiante en las diferentes áreas de la Astronomía.

This course changed the way i thought about universe and has helped me a lot. Professor teaches things in most easiest way and makes astronomy very easy

I am currently looking todward discovering other planets in other solar systems that have life like planet Earth. Amazing!

Good overview on the topic. In addition to Exoplanets the later lectures cover many aspects of astrobiology as well.

It is a great ride so far. Good refreshment of basic astronomy. I highly recommend it. Very clear lectures too.

Nice but having face much trouble to review assignment. Hope,this technical problem will be recover soon.

One of the best and most complete courses I've ever taken on the subject. I cannot wait for a 2.0 version

Great class. Very interesting and applicable for the current status and challenges of space exploration.

I would like to thank the esteemed Professor David Spergel for taking us on such a beautiful journey...

Very interesting class. It gets very in depth with each topic and is also pretty fun!

Awesome. Interesting arguments and a really effective and clear explainations.

Excelent course, very interesting material, didacticism and awesome teacher!

This course is very exciting even before the entire course starts!!!!!!!!

Very interesting, there is any way to get a certificate of completion.?

Really enjoyed the first dive into astronomy and planetary science!

Great! Fantastic course. Clear and concise. Hghly recommended!!!