A mere two weeks after the National Science Foundation declared it would close the Arecibo single-dish radio telescope - once the largest in the world - the observatory took a dramatic dying breath and collapsed on Dec. 1, 2020.
A mere two weeks after the National Science Foundation declared it would close the Arecibo single-dish radio telescope - once the largest in the world - the observatory took a dramatic dying breath and collapsed on Dec. 1, 2020.
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