Hubble Space Telescope mirror under construction at Perkin-Elmer. The construction of the main mirror was begun in 1979 and completed in 1981. However,the polishing ran over budget and behind schedule,producing significant friction with NASA. Due to a miscalibrated null corrector,the primary mirror was also found to have a significant spherical aberration after reaching orbit. A NASA investigation heavily criticized Perkin-Elmer for management failings,disregarding written quality guidelines,and ignoring test data that showed this miscalibration | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / Morgan, Hank |
Taille de l’image : | 4107 px × 2704 px |
Model Release : | Le droit n'est pas encore disponible. Merci de nous contacter avant utilisation. |
Property Release : | Non requis |
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