An Interstellar Mission To Visit A Black Hole Might Only Take 70 Years, Astrophysicist SaysAlas, we do not live in Star Trek; the speed of light, as far as we can tell, is an insurmountable limit. This means that even if we wanted to visit the closest star system, we would have to travel for several years. We currently have no spacecraft that can travel at the speed of light, but proposals have...
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