Which famous astronomical product launch was delayed for years due to manufacturing defects, finally launched in 1990, but then required a space shuttle service mission in 1993 to correct its flawed optics?

Space exploration and astronomy have seen some of the most innovative product launches in human history. From telescopes that revolutionized our view of the universe to spacecraft that pushed the boundaries of human achievement, these product launches required immense planning, precise timing, and global coordination. This poll tests your knowledge about one of the most significant astronomical product launches that changed how we observe our universe.

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Hubble Space Telescope
James Webb Space Telescope
Chandra X-ray Observatory
Spitzer Space Telescope