https://www.globalscience.it/63315/chandra-e-hubble-identificano-un-buco-nero-di-classe-intermedia/ 2025-07-28T12:08:41+00:00 GlobalScience it 2025-07-28T11:52:47+00:00 Chandra e Hubble identificano un buco nero di classe intermedia https://www.globalscience.it/wp-content/uploads/2025/07/STScI-01JZ3N36Y8CP44ZA07A7Z27S5Q.jpeg