Originally Posted by
Tvtyrant
I think you should take the couple hundred and add thousands to it. "leave this alone to see if it does anything and then maybe in a couple hundred thousand years it will have spread enough that there will be breathable levels of oxygen in the atmosphere."
The problem with space colonies in my mind is the processes to terraform a planet are absurdly slower then the extinction rate is. IE we will almost certainly be dead by the time anything is even remotely habitable.