On: If You Traveled Far Enough Through Space, Would You Return to Your Start Point?

[ikeboy]

But if you travel at less than the speed of light you'd never pass that anyway

[PopeDotNinja → ikeboy]

If you traveled at the speed of light, you'd still never make it to the edge of the universe. The edge of the observable universe is moving away from us faster than the speed of light. [1]

[1] https://en.wikipedia.org/wiki/Observable_universe

[isaiahg → ikeboy]

Because of expansion we'll likely never be able to travel to any of the galaxies in the universe except our local neighborhood. But it's still worth studying those galaxies from a distance to learn more about our universe.