NASA has turned off another instrument on Voyager 1, the most distant human-made spacecraft, to conserve power ahead of a critical "Big Bang" maneuver designed to extend its mission (Live Science). Launched in 1977, Voyager 1 is now more than 46 years into its journey through interstellar space, with its nuclear power source steadily declining (Semafor).
The shutdown follows an unexpected drop in available power, prompting engineers at NASA's Jet Propulsion Laboratory to take emergency steps to preserve the spacecraft's functionality (Tom's Hardware). The deactivation of this instrument is expected to provide Voyager 1 with approximately one additional year of operation, allowing the probe to continue transmitting valuable data back to Earth (Tom's Hardware).
With only three instruments remaining, NASA technicians are working to replace higher-power devices with low-power alternatives, aiming to maximize the probe’s scientific capabilities despite its aging power system (Tom's Hardware). Voyager 1 still sends radio signals that take nearly 24 hours to reach Earth, highlighting the immense distance it has traveled beyond the solar system (Semafor).
This latest power-management move underscores NASA's commitment to sustaining Voyager 1's exploration of the interstellar medium. Future efforts will focus on balancing power consumption with scientific priorities to extract as much information as possible from the historic spacecraft before its systems finally cease to function.
Voyager 1
NASA
