Cosmic Sources Cosmic Sources Binary systems Merging Black Holes Search Triple Trouble - Arp 274 Supermassive black holes after merging Spiral Galaxy M31 Spiral Galaxy NGC 1232 Galaxy - Merging NGC 6240 gravitational-waves-161 Simulation Shows What Happens in the Last Stages of a Black Hole Merger Relativistic Binary Neutron Star Inspirals GWPAW22-LogoIMG