The first six hexagonal segments for the main mirror of ESO’s Extremely Large Telescope (ELT) have been successfully cast by the German company SCHOTT at their facility in Mainz. These segments will form parts of the ELT’s 39-metre main mirror, which will have 798 segments in total when completed. The ELT will be the largest optical telescope in the world when it sees first light in 2024.
The release, images and videos are available on:
https://www.eso.org/public/news/eso1801/
Kind regards,
The ESO Education and Public Outreach Department
9 January 2018
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Author: Xavier Barcons
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