Giving the University of Arizona Mirror Lab a spin
Planetary Radio: Space Exploration, Astronomy and Science
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The Test Tower
The test tower is what holds the mirror that you're testing isolated from vibration so these three big pillars that you see here are the corners of a triangular part of the floor here. It's almost as if we were at a launch pad at Kennedy Space Center it's not quite that big but I'm glad you're inspired by it. The whole point of a mirror is to collect a lot of light and then bring it to a focus to make an image. You have to be careful not to over correct or polish too much because there's no way to add glass back.
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