What famous customer service operation saved the Hubble Space Telescope after its flawed primary mirror was discovered in 1990?

The Hubble Space Telescope is one of astronomy's most famous instruments, but its journey wasn't always smooth. After its 1990 launch, scientists discovered a serious flaw that threatened the entire mission. What followed was one of the most ambitious customer service operations in scientific history, demonstrating how organizations respond when flagship products don't meet expectations. Test your knowledge about this famous product service intervention that saved a billion-dollar astronomy tool!

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• The 1993 STS-61 Hubble Servicing Mission, where astronauts installed corrective optics (COSTAR) during spacewalks
• Remote software updates from NASA ground control that recalibrated the telescope's focusing mechanisms
• The complete retrieval and return of Hubble to Earth for repairs, followed by a second launch in 1994
• Deployment of an automated secondary telescope (Hubble B) that compensated for the original's flaws

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