Free Astronomy Magazine March-April 2023

MARCH-APRIL 2023 Pair of black holes dine together in nearby galaxy merger by ALMA Observatory W hile studying a nearby pair of merging galaxies using the Atacama Large Millimeter/submillimeter Array (ALMA) scientists discovered two supermassive black holes growing imultaneously near the center of the newly coalescing galaxy. These super-hungry giants are the closest together that scientists have ever observed in multiple wavelengths. What’s more, the new research re- veals that binary black holes and the