Flaw articles
What specific optical flaw caused the initial fuzzy and blurred images from the Hubble telescope?
How much flatter were the edges of the primary mirror polished compared to the required contour?
What instrument, intended to verify the mirror's shape, was installed incorrectly during ground testing?
Which companies were responsible for grinding and testing the flawed primary mirror, respectively?
What resolution, instead of the intended 0.1 arcseconds, did the flawed Hubble deliver?
What corrective package was implemented to fix the focus issue for instruments like the FOS and GHRS?
Which servicing mission, launching in December 1993, successfully deployed the corrective optics?
What instrument was physically replaced by the WFPC2 during the first servicing mission?
The intended precision for the primary mirror shape was accurate to within what fraction of a human hair's width?
What key lesson regarding verification systems did the Hubble flaw highlight?
By how much was the edge of the Hubble primary mirror ground too flat during manufacturing?
What optical phenomenon was caused by the mirror's incorrect shaping?
Which initial instrument was designed assuming perfect input from the primary mirror?
What was the primary cause of the failure to catch the mirror error during ground testing?
Which instrument served as the systemic, universal fix for the existing non-upgraded instruments?
How many precisely positioned mirrors did the COSTAR instrument contain?
When did the first Hubble Servicing Mission (SM1) launch to physically implement the fix?
Which instrument was designed with its own corrective optics built into its internal path, making it immune to the primary mirror flaw for its specific view?
Which instrument bay did the COSTAR unit slot into, replacing the original component?