Tag Archives: Observatory

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 …

For once, let’s break with the usual advice and tell you that you should look at the Sun. Specifically, in the new NASA activity video over the 10-year time span on the solar surface. Lasting 61 minutes in total, the impressive video has been produced from high-resolution images captured by …