Tag Archives | planethunt

HAT P7b Light Curves-Magnified

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Kepler's Primary Mirror

Technicians from Ball Aerospace inspected the honeycomb structure of the Kepler Space Telescope’s primary mirror. The mirror has been 86% light-weighted; that is, it only weighs 14% of amount that a solid mirror of the same dimensions would. The mirror blank was made by Corning Glass works out of ultra-low expansion glass, or ULE. original

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Space, astronomy and science