Bibliography

General Info
www.nasa.gov
​
Lunar Concrete
ntrs.nasa.gov/search.jsp?R=19980001900

​Mass Driver
www.spaceanswers.com/futuretech/lunar-mass-driver-why-we-should-build-a-space-gun-on-the-moon/

My introduction to the subject
www.youtube.com/watch?v=bGcvv3683Os
www.youtube.com/watch?v=2zaIy1TARPE&t=1378s

Observatories
www.forbes.com/sites/startswithabang/2018/10/25/why-dont-we-put-a-space-telescope-on-the-moon/#610b8417777f

Source from library search engine
eujournal.org/index.php/esj/article/view/10056/9546

All Images were found on creative commons