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Thread: Casting a $20 million mirror for the world's largest telescope - video

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  1. Dec 20, 2018, 02:07 PM #1
    Jon
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    Casting a $20 million mirror for the world's largest telescope - video

    Casting a $20 million mirror for the Giant Magellan Telescope, which, upon completion, will be the world's largest telescope. 2:25 video:



    More: https://www.gmto.org

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