Preparing Space Telescope Primary Mirror
by Nasa/science Photo Library
Title
Preparing Space Telescope Primary Mirror
Artist
Nasa/science Photo Library
Medium
Photograph - Photograph
Description
The 2. 4 metre Space Telescope primary mirror during the initial grinding phase of its fabrication by the Perkin-Elmer Corporation. Perkin-Elmer optical engineers are shown checking the curvature of the mirror with a spherometer, prior to its final polishing and subsequent coating. The 'eggcrate' structure of the mirror core is emphasised in this view.
Uploaded
February 23rd, 2021
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