ppt, 443 KB
ppt, 443 KB
I made this for tutorial time as it is a topical subject and it invites a discussion as to whetehr it is worth spending money on space exploration.
Creative Commons "Sharealike"

Review

5

Something went wrong, please try again later.

hendo2015

8 years ago
5

A very helpful starting point!

Report this resourceto let us know if it violates our terms and conditions.
Our customer service team will review your report and will be in touch.