Construction on the world’s biggest radio telescope is underway in Guizhou Province in southwest China. Due for completion in September, the 500-meter Single Aperture Spherical Radio Telescope is known as FAST for short. In a few days’ time, its last reflector panel will be installed. When it’s fully functional, the telescope should be able to detect radio signals from the deep universe – more than 1,000 light years away.
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