Commercialization of Space

People will be traveling in spacecraft

to space stations orbiting the earth in minutes,
 
moon colonies in hours, planets in days, and

with advanced technology, the stars in weeks.

Introduction 1  - 2  - 3 -  4, Science 5  -  6  - 7  -  8  -  9 - 10, Technology 11 - 12  - 13 - 14 - 15,
Opportunities 16  - 17  - 18  - 19 -  20  -  21 - 22,  & Economics  23 - 24