NASA conserves Voyager 1 power and restores lost contact
NASA engineers successfully saved Voyager 1 power and fixed a brief signal loss while the spacecraft travels through deep space.
In early September, the team turned off three high-power devices on the probe. They replaced these units with lower-power alternatives to extend mission life significantly for years to come. This energy-saving swap allows remaining science instruments to keep working much longer than before.
The spacecraft relies on heat from decaying plutonium to generate electricity for its systems. It loses about four watts annually as the fuel supply slowly depletes over many years of travel. Engineers must now conserve energy by shutting down nonessential systems because power margins have become very thin.
A sudden loss of contact occurred on October nineteenth when the Deep Space Network could not detect the signal. The network failed to receive the transmission from the faraway vessel during that specific window of opportunity.
The signal returned the next day after thrusters automatically switched to backup units, triggering a safety mode. Mission managers investigate the cause while the spacecraft continues speeding toward a major distance milestone in the coming weeks.