The thrusters of NASA's far-flung Voyager 1 have been fired up for the first time in 37 years, a move that officials say could extend the spacecraft's life by up to three years.
ThethrustersofNASA'sfar-flungVoyager1havebeenfiredupforthefirsttimein37years,amovethatofficialssaycouldextendthespacecraft'slifebyuptothreeyears.Theunmannedspac
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