What specific optical defect was identified as the primary flaw in Hubble's imaging?
Answer
spherical aberration
The specific defect plaguing Hubble was identified as spherical aberration, meaning the light was not focused into sharp points.
#Videos
NASA's $50 Million Hubble Mistake - YouTube
Related Questions
What nickname did the press quickly give the Hubble telescope following its initial, blurry images?What specific optical defect was identified as the primary flaw in Hubble's imaging?What mathematically perfect shape was required for Hubble’s primary mirror to bring all light rays to a single focal point?What was the actual error concerning the shape of the primary mirror's edge?Roughly what was the magnitude of the error in the mirror's shape deviation?How did scientists confirm the diagnosis of spherical aberration after initial data review?What factor in the ground-based testing procedures was a major line of inquiry regarding the error's origin?Which company was the primary contractor responsible for grinding and polishing the primary mirror?What was the name of the instrument installed in orbit to correct the spherical aberration?Which servicing mission in December 1993 installed COSTAR and replaced the older camera?Which instrument utilized COSTAR externally, requiring the external unit to place corrective mirrors in its light path?What fundamental engineering lesson did the $2.2$ micrometer error force upon future high-precision optics projects?