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Learner Reviews & Feedback for Imagining Other Earths by Princeton University

4.7
stars
391 ratings

About the Course

Are we alone? This course introduces core concepts in astronomy, biology, and planetary science that enable the student to speculate scientifically about this profound question and invent their own solar systems. All the features of this course are available for free. It does not offer a certificate upon completion....

Top reviews

RE

Aug 30, 2015

This was a very interesting class taught in such a manner that an undergraduate student majoring in any area would find interesting and educational, their is very much to learn for anyone

CN

Jan 25, 2016

The best course ever.! it really has the scientific detail that you do not find anywhere else in a clear simple and didactic way. The instructor is an amazing educator.

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101 - 106 of 106 Reviews for Imagining Other Earths

By derek j s

•

Feb 27, 2018

https://www.nasa.gov/image-feature/jpl/pia22240/splitting-slope-streaks

Sorry Professor David>>>your presentation on the 'dark streaks' on Mars' crater sides is outdated. I personally have studied these some 10 years ago having followed the 3 rovers and the lander 10 years ago and watched the water sublimate from the Phoenix digs, at that point I knew 'instinctively' that the dark lines were sand. Please see NASA link above.

I can not continue your course for the obvious reason that some other data will be outdated.

However, I truly have enjoyed your presentation method and if and when your updates to other lectures are complete I will endeavor to complete the lecture course.

Thank you.

yt

derek scarpelli

Canada

By Khan Z A

•

Jul 25, 2020

The lectures are informative but too long and fail to keep the listeners interested. Overall very knowledgable for anyone interested in astronomy.

By Raul Р

•

Apr 6, 2018

Something worthy.

By Aidan K

•

Mar 31, 2020

Something is broken in the course software - only the first week's page shows up, and that with the wrong course name.

Useless.

By Zulfiqar a k

•

Aug 4, 2020

i need my certificate plz on completing ts course

By Md. F R

•

Jun 25, 2020

a disgusting course, there is no certificate