World's Biggest Telescope Gets Long-Awaited Green Light

December 8, 2014 2:09 PM

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Four centuries have passed since the invention of the telescope, and in that time telescopes have gotten bigger and bigger--the better to peer into deep space.

Now the green light has been given for construction to begin on what is projected to be the world's biggest telescope, the European Extremely Large Telescope (E-ELT).

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