William Herschel Telescope Mirror Being Polished
by Royal Greenwich Observatory/science Photo Library
Title
William Herschel Telescope Mirror Being Polished
Artist
Royal Greenwich Observatory/science Photo Library
Medium
Photograph - Photograph
Description
Photograph of the giant 4.2 metre diameter mirror of the William Herschel telescope as it undergoes its final polishing. The telescope is at present under construction at the La Palma Observatory in the Canary Isles. The mirror is made of Cervit and is believed to be the most accurately shaped mirror in the world.
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February 23rd, 2021
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