On Dec. 1, 2020, the Arecibo telescope collapsed. The Puerto Rico facility had already suffered two cable failures – one in August and one in November – and engineers had predicted that the increased load would be too much for the remaining cables. The National Science Foundation announced on Nov. 19, 2020, that, as the Continue reading "Dec. 1, 2020: The Arecibo telescope collapses" The post Dec. 1, 2020: The Arecibo telescope collapses appeared first on Astronomy Magazine .