Evening at Gemini North
Thu, 30 Jun 2011 11:06:35 -0500
The Gemini North Telescope during evening twilight. Featured in the foreground of the telescope is the laser guide star (LGS) clean-room (blue box with white door). The Gemini solid-state sodium laser is located in this box and shines up through a network of tubes, relaying optics (also visible) ...
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