Skip to comments.Webb Telescope’s First Primary Mirror Meets Cold Temperature Specifications, Sets Program Landmark
Posted on 03/02/2010 4:45:21 PM PST by KevinDavis
GREENBELT, Md. -- The James Webb Space Telescope reached a mission-readiness landmark today when its first primary mirror segment was cryo-polished to its required prescription as measured at operational cryogenic temperatures. This achievement sets the stage for a successful polishing process for the remaining 18 flight mirror segments.
(Excerpt) Read more at nasa.gov ...
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4 degrees Kelvin is pretty cold.
Almost as cold as a Republican’s heart! ;}
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