If a crewed spacecraft could be built to travel at or near the speed of light, how long would it take to achieve that speed without crushing the human occupants? Lawrence SchwabPhoenix, Arizona Despite what science fiction may suggest, humanity will never be able to travel at the speed of light. That said, we could theoreticallyContinue reading “Ask Astro: How fast could a ship reach light-speed without crushing its human occupants?”
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