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Light-sail probes could reach Alpha Centauri in 20 years, scientists say

Alpha Centauri, the nearest star system to our own, sits 4.37 light-years away. At the speed Voyager 1 travels, reaching it ...
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This nuked-pulse rocket could reach Alpha Centauri in 44 years

Reaching Alpha Centauri within a single human lifetime has long sounded like science fiction, yet a new generation of nuclear pulse concepts is forcing that timeline into serious discussion. The idea ...