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A comment on Hubble telescope has new lease on life after computer swap appears to fix glitch. Parent comment

Re:Hubble telescope has new lease on life after computer swa... by spullara on Friday July 16, 2021 @02:01PM (#27859168)
Fascinating story about how the null corrector that was supposed to ensure that the mirror was correct was flawed:

https://en.wikipedia.org/wiki/Null_corrector

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