The Hubble Space Telescope primary mirror under construction at the Perkin-Elmer Corporation's Optical Facility in Wilton,Connecticut,USA. The face of the 2.4 metre diameter mirror is being ground & polished before being coated with a special reflective surface. At this stage,the finely polished glass surface is still transparent,revealing the cellular construction of the mirror blank | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / Morgan, Hank |
Taille de l’image : | 4349 px × 4270 px |
Model Release : | Non requis |
Property Release : | Non requis |
Restrictions : |
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