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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 NickNameNick on Friday July 16, 2021 @10:19PM (#27863122)
I thought that the instrument used to measure the curvature of the mirror was mis-calibrated.
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Re:Hubble telescope has new lease on life after computer swa... by ArnoVW on Saturday July 17, 2021 @09:55AM (#27865787)
Yes. A tiny area of paint was chipped. Unfortunately that meant that the distance was increased by the distance of the layer of paint.
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