NASA once reactivated Voyager 1 thrusters that had been unused for 37 years, sending commands across interstellar space to machinery built before many of the engineers operating it were born - Space Daily

On 28 November 2017, engineers at NASAs Jet Propulsion Laboratory sent Voyager 1 a command to fire four thrusters that had been silent since November 1980. The spacecraft was about 21 billion kilomet… [+7118 chars]