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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 mannykannot on Friday July 16, 2021 @10:27AM (#27856557)
I was curious myself, and it turns out there were five missions, starting with the one to compensate for the incorrectly ground mirror. IIRC the final one was in doubt, as there was no possibility of a rescue mission in the event of irreparable damage on launch.

https://www.nasa.gov/mission_pages/hubble/servicing/index.ht...

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Re:Hubble telescope has new lease on life after computer swa... by DylanSp on Friday July 16, 2021 @11:57PM (#27863461)
The final servicing mission (STS-125) ended up with a contingency plan for damage on launch, STS-400. Another shuttle was prepped and on the pad for a rescue mission if the primary shuttle was damaged.
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