World's largest radio telescope starts operating in China: Massive device will search for alien life

In the search for alien life, China has built the world's biggest radio telescope, which it says could 'lead to discoveries beyond our wildest imagination.'
The Five-hundred-metre Aperture Spherical Radio Telescope (FAST), nestled between hills in the mountainous region of Guizhou, began working this week.
Built at a cost of 1.2 billion yuan (£140 million), the telescope dwarfs the Arecibo Observatory in Puerto Rico as the world's largest single-dish radio telescope, with twice the sensitivity and a reflector as large as 30 football fields.
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