Arecibo Radio Telescope

Well here it is, the one that literally hundreds of you have submitted over the past few months. We held off posting it because it would be so much better to see this is high-res. However here it is (finally), the Arecibo radio telescope in Arecibo, Puerto Rico. It is officially the largest single-dish radio telescope ever built; it’s 305 metres in diameter, 50 metres deep, and it covers an area of roughly 73,000 square metres! Wow, huge. You may recognise the telescope from somewhere… this is the where they collect the data for SETI@home, it was in…

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