World's largest optical telescope sees first light.

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    • Subject Terms:
      PALMA (Canary Islands); CANARY Islands
    • Abstract:
      The article discusses how the world's largest telescope has been built on a 2400-metre peak on La Palma in the Canary Islands. The Great Canary Telescope (GCT) was unveiled on July 13, 2007. The GCT has a main mirror that is 10.4 metres across. The telescope cost $180 million to build, most of it coming from the Spanish government, with additional funds from Mexico and the University of Florida.