It will likely entail tourists riding a spacecraft ... The more a rocket weighs, the more fuel it will need to accelerate to ...

But if the rocket goes fast enough, it can run out of propellant and still continue to coast away from Earth forever, without gravity pulling it back. It’s like riding a bike: build up enough ...

But if the rocket goes fast enough, it can run out of propellant and still continue to coast away from Earth forever, without gravity pulling it back. It’s like riding a bike: build up enough ...