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The World’s Largest Radio Telescope Dish Is Taking Shape Like a Giant Puzzle

Within a year, the world’s current largest single-dish radio telescope, the Arecibo Observatory in Puerto Rico, will lose its title. It will instead be usurped by this: the five hundred metre Aperture Spherical Radio Telescope (FAST) in Pingtang County, China. Read More >>

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How to Turn an Old Satellite Dish Into a Working Radio Telescope

Radio telescopes, which you may remember Jodie Foster intently listening to for signs of alien life in Contact, pluck out radio waves from far away space. Ordinary communications satellite dishes also pick up radio waves, but of manmade origin. So hmm, how easily can you convert one into another? It's totally possible, according to New Zealand astronomers who detail how they turned an obsolete satellite dish into a radio telescope for astronomy. Read More >>

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The Massive Radio Telescope That Peers Into the Universe’s Darkest Corners

The 13,000 square-mile National Radio Quiet Zone is home to the Green Bank Telescope. The 2-acre, 16-million pound dish is the largest, fully steerable radio telescope in the world. And, as this gorgeous video by Motherboard highlights, it might be in danger. Read More >>

Giant Radio Telescopes Tune Into the Stars

The visible light comprises a minuscule fraction of the entire electromagnetic spectrum. Radio telescopes allow us to observe what cannot be seen, like microwave background radiation—the echo of the Big Bang. Our friends at Oobject have assembled 18 of the most expansive intergalactic listening stations. Read More >>