Voyager 1, now more than 15 billion miles from Earth, relies on a radioisotope power source that loses about 4 watts of power each year. NASA has shut down one of Voyager 1’s science instruments to conserve power, a move aimed at extending the spacecraft’s mission in interstellar space. Engineers at Jet Propulsion Laboratory sent commands on April 17, 2026, to turn off the Low-Energy ... [1278 chars]
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