Quote fromQuote fromDo we need mars?
For gravitational slingshots they're quite useful. I hope we can invent a propulsion system that's efficient enough to make gravitational assists unnecessary, but the way things are looking I doubt that'll ever happen.
Well, if I'm right, warp is theoretically possible and there's even people working on it. I have trust in humanity!
Give us 1,000 years, we'll get things right.