great for people who want to know about history of humans in space

It's a great opportunity to know about the remarkable history.

I can’t wait until the second part of this course is posted!

The human spaceflight better than under atmosphere flight.

Very interesting, a lot of informations, very precise.

This course is very interesting for space lovers.

TRÈS INTÉRESSANT. ON APPREND TOUJOURS DES CHOSES

Very interesting course. Highly recommendable.

Wonderful course, however, poorly edited.

An excellent course with great material.

amazing explanation and content

must try

Awesome history of human endeavour!!!

Great overview of manned spaceflight

Very good and brief lessons. Thanks.

Best historical view on subject!

Excellent course and teacher!!

What a fascinating journey!

quite an informative course

Amusing and entertaing!

it is very intresting!

Excellent, thank you.

Really interesting!

Amazing Experience

amazing experience

Realy interesting