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Imaginer d'autres Terres, Université de Princeton

4.8
273 notes
66 avis

À propos de ce cours

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....

Meilleurs avis

par RE

Aug 31, 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

par CN

Jan 26, 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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66 avis

par gaocen

Jun 25, 2018

super cool and knowledgeable. review again.

par Joy Smith

May 15, 2018

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

par Raul Рауль

Apr 06, 2018

Something worthy.

par luis juri

Mar 09, 2018

E

par Serge Danan

Mar 07, 2018

Very clear, very interesting

par derek j scarpelli

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your presentation on the 'dark streaks' on Mars' crater sides is outdated.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I can not continue your course for the obvious reason that some other data will be outdated.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

par 叶斌龙

Feb 14, 2018

非常好的课程

par Aidan T.

Jan 07, 2018

i love it and iam 10 years old

par Richard Kouzes

Jan 03, 2018

very interesting course

par Justin Crevier

Sep 27, 2017

A fascinating, excellent, and well-taught course.