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Photos of W. M. Keck Observatory and Space Discoveries

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The Keck Observatory operates the largest, most scientifically productive telescopes in the word. This is the primary mirror of Keck I, which is comprised of 36 hexagon segments, forming a primary mirror of 10-meters. A system of actuators and advanced electronics keeps each segment instantly adjusted to form a perfect parabola. Also shown are the reflections of the secondary and tertiary mirrors.

Photo: courtesy of the w.m. keck observatory

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,March

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