How the Voyager probes keep going and going decades after launch
When the Voyager probes lifted off weeks apart in 1977, no one expected that the twin spacecraft would have their missions extended from four years to 45 years and counting. Now, the mission team is getting creative with its strategies for the power supply and instruments on both Voyager 1 and 2 to enable both probes to continue collecting valuable data as they explore uncharted interstellar territory.
If they freeze, then we could lose our ability to point to Earth. So it’s a balancing act between power and thermal and how we operate the spacecraft,” Dodd said. A delicate balance The team was pleasantly surprised that the instruments recalibrated to become slightly more sensitive in their data collection because some of the Voyager detectors operate better when colder.
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