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

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  1. Dec 21, 2018, 07:09 AM #4
    bruce.desertrat
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    One of the other advantages of the multi-mirror design is adaptive optics: each mirror can be controlled individually to compensate for atmospheric distortion of the image. There are scopes on earth that can get sharper images than even spaceborne telescopes like Hubble because of this.
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