NASA engineers successfully revived the Juno spacecraft’s failing camera by heating it from Earth, 595 million km away. The technique, called annealing, aimed to reverse radiation damage without physical repair. Though the fix was temporary, it brought back vital imaging of Jupiter and its moon Io. The mission shows the rising importance of remote repairs for deep space missions.
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- NASA fixed JunoCam by heating it remotely via “annealing”
- Camera had radiation damage; traditional repair impossible
- Spacecraft is 595 million km from Earth
- JunoCam meant for 8 orbits; lasted over 45
- Image issues started at orbit 47
- Heated to 77°F to alter internal silicon structure
- Second heat fix done before Io flyby in 2023
- Temporary recovery till orbit 74; new issues now
- No confirmation if third fix will happen
- Shows growing need for remote space repairs




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