Nustar FM0 2010may16
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NASA
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Assembly of First Optics Module
Assembly of the first NuSTAR optics module (“FM0”). NuSTAR will fly two optics units, each with 133 layers of grazing incidence optics. Using epoxy and graphite spacers, the layers are built up, approximately one layer per day, on a CNC (computed numerically controlled) lathe assembly machine at Columbia University’s Nevis Laboratory. The inner 66 layers are comprised of 6 segments with 12 pieces of glass per layer, while the outer 67 layers are comprised of 12 segments with 24 pieces of glass per layer. Each unit is 47.2 cm (18.6 inches) long and, upon completion, will be 19.1 (7.5 inches) cm in diameter and will weigh 31 kg (69 pounds). This picture, taken on 2010 May 16, shows 82 layers. The 100th layer was laid on June 9th, and FM0 should be completed by the end of July.
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Public domain
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