>
such a way that your inflatable balloon city comes to a gentle stop, 30 miles up, and just floats there?Literally how floating works.
> Worse still, when people need to leave and return to Earth, how do you launch a rocket from the balloon city and return to orbit?
By launching your rocket from the ballon city and returning to orbit. (I'm struggling to see the novel problem.)
> Where are materials manufactured for repairs, and how quickly could they be manufactured and sent there?
Why is this unique to Venus versus anywhere else in space?
> If a rocket is trying to land and goes off course, does it squash the balloon city like a grape?
Yes. Same as if your rocket is trying to land at your Moon or Mars base (or hell, your Earth landing pad) and goes off course, it squashes your colony like a crouton.
Literally how floating works.
> Worse still, when people need to leave and return to Earth, how do you launch a rocket from the balloon city and return to orbit?
By launching your rocket from the ballon city and returning to orbit. (I'm struggling to see the novel problem.)
> Where are materials manufactured for repairs, and how quickly could they be manufactured and sent there?
Why is this unique to Venus versus anywhere else in space?
> If a rocket is trying to land and goes off course, does it squash the balloon city like a grape?
Yes. Same as if your rocket is trying to land at your Moon or Mars base (or hell, your Earth landing pad) and goes off course, it squashes your colony like a crouton.