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A Laser Tribute

This exterior shot of Gemini South shows the result of the Gemini Multi-conjugate adaptive optics System (GeMS) with the Gemini South Adaptive Optics Imager (GSAOI) propagating a laser guide star toward the zenith. Gemini South acquired the 50-watt sodium Guide Star Laser System back in March 2010. It moved into regular operations soon thereafter.

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