This sort of space real estate is the biggest hindrance to developing long term interstellar traveling tech. With so many asteroids and planets lying around. T

This sort of space real estate is the biggest hindrance to developing long term interstellar traveling tech. With so many asteroids and planets lying around. There is no real motivation to travel very far distances for resources. Once you start mining the first set of asteroids and settling your race in space. You could grow organically, and at some point mine a terrestrial planet. At that point you have so many resources at your disposal it doesn't really make much sense to move out to very large distances unless for science or your population is just multiplying beyond control.