Researchers Just Launched a Prototype of Humanity's First 'Interstellar Spacecraft'

Last year, extraterrestrial exploration venture Breakthrough Initiatives announced an ambitious plan to send tons of tiny spacecraft to our nearest neighboring star system, Alpha Centauri. The project, called Breakthrough Starshot, is focused on launching lightweight ‘nanocraft’ to the stars at rip-roaring speeds. Recently, the project took a big leap toward achieving its ultimate goal by successfully sending six test craft into Low Earth Orbit.
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