Rocket scientists agree that we have about reached the limit of our ability to travel in space using chemical rockets. To achieve anything near the speed of light we will need a new energy source and a new propellant. Nuclear fission is not an option.

rocket scientists agree about reached limit ability travel space using chemical rockets achieve anything speed light energy source propellant nuclear fission option

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Chuck Yeager Best

You do what you can for as long as you can and when you finally can't you do the next best thing. You back up but you don't give up.

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