Hubble Trouble - How did the Space Telescope Mirror End Up Flawed ?

The Hubble space telescope was at the time meant to be the finest telescope ever made with the smoothest most perfect mirror on earth.
So how did the $1.5 Billion project end up with a flawed mirror that had a grinding error 10x greater than the required tolerance and so bad that it could not be focused once in space.

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The official NASA report into the failure of the Hubble mirror: https://www.ssl.berkeley.edu/~mlampton/AllenReportHST.pdf

Presented by
Paul Shillito

Written & Researched by
Andy Munzer

Additional Material By
Paul Shillito

Images and footage
NASA & ESA

Music by
Paul Shillito

Видео Hubble Trouble - How did the Space Telescope Mirror End Up Flawed ? канала Curious Droid