One of the most prominent astronomical observers in the world has a hole. On Monday, a 3-inch-thick (76-mm-thick) cable broke at the Arecibo Observatory, cutting a 30-foot (30-meter) hole in the reflector dish of the 20-acre radio telescope in Puerto Rico. The observatory was just opened after a temporary closure …
Read More »A broken cable has clogged an enormous hole in the Arecibo Observatory
