We won't ever be able to go very far into space for a few reasons. Space, or rather the galaxies, are expanding away from eachother at about 1,300,000 mph. So even if we could somehow do the speed of light, you'd never catch up to most of the observable universe. We'll likely never leave the Milky Wayn
Galactic space-travel is within the galaxy. That’s already possible over long time scales. Intergalactic travel between galaxies is unlikely for those reasons.
No, it really isn't. Humans do not do well in low gravity for extended periods of time. We do not have a remotely practical way to artificially generate gravity.
Spinning the ship would require a gigantic diameter, which would require massive weight, which means moving it through space requires too much fuel (which requires even more fuel to move the fuel).
And we haven't even started touching on the problems we've run into trying to create sealed biosystems.
These may be addressable in the future, but we very much can not move people in generation ships now.
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u/Chaos-Cortex 14h ago
The things we as the “Human Race” can do when we come together almost like a hive mind… imagine we have galactic space travel by now…