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A comment on The top secret URSALA, RAQUEL, and FARRAH satellites. Parent comment

Re:The top secret URSALA, RAQUEL, and FARRAH satellites by addaon on Wednesday September 30, 2026 @07:11PM (#49915673)
Hubble wasn’t damaged, the mirror was mis-shaped (by design) to be near-sighted, needing a corrective lens.

But if you were looking at nearer objects…

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Re:The top secret URSALA, RAQUEL, and FARRAH satellites by r58lf on Wednesday September 30, 2026 @07:23PM (#49915764)
probably what you mean, but to be clear there was an error in manufacturing the mirror. There was a calibration piece that was slightly larger then the design called for.
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Re:The top secret URSALA, RAQUEL, and FARRAH satellites by zippyman55 on Thursday October 01, 2026 @12:03AM (#49917591)
The testing of the mirror was insufficient.
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