>>6
yeah but it's fun to think about. Imagine being some rogue group of scientists finding a habitable planet and moving there and building a self-sustaining civilization

I am so happy that cute anime girls exist. I am so happy to live in a time period where I can idolize bishoujo characters. I am glad that the nation of japan created such a glorious phenomenon. Banzai! Banzai!
>>6
That's kind of what a nuclear submarine is.

>>6
Forget oceans, just think of all the land we have that is completely barren and unfit for agriculture. The issue isn't land but rather the resources present. For mining purposes, we barely know what is in the martial crust and if it is profitable to mine at all. Asteroid mining would likely be way more profitable