January 28, 2011 - Space.com
To help take extra sharp images of space, a telescope in South America is firing a mega-laser – one made up of five beams – into the night sky.
The sodium laser "constellation" – as scientists call it – is part of a telescope at the Gemini South Observatory in Chile and is the cornerstone for a next-generation adaptive optics system. Photos of the laser in action reveal it as a thick, bright yellow beam of light cutting through the night sky.
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