WhyCosmo

  Like two cosmic sumo wrestlers, NASA’s Hubble Space Telescope and Chandra X-ray Observatory have detected the closest-ever pair of supermassive black holes . Located in the galaxy MCG-03-34-64 , these two giants are just 300 light-years apart and are about to embark on a galactic dance that will eventually end in a massive collision . As they devour gas and dust from their surroundings, they glow brightly as active galactic nuclei (AGN) , giving us a rare peek into the process of galaxy mergers . This is an artist's depiction of a pair of active black holes at the heart of two merging galaxies. They are both surrounded by an accretion disk of hot gas. Some of the material is ejected along the spin axis of each black hole. Confined by powerful magnetic fields, the jets blaze across space at nearly the speed of light as devastating beams of energy. NASA, ESA, Joseph Olmsted (STScI) This discovery is even more exciting because such close black hole pairs are scarce in our local un...

 Astronomers using JWST (the James Webb Space Telescope) have made a groundbreaking discovery, witnessing an awe-inspiring cosmic dance between a supermassive black hole-powered quasar and merging galaxies. This extraordinary event occurred less than a billion years after the Big Bang, providing a rare glimpse into the early universe's mysteries. The quasar, designated PJ308-21, is an active galactic nucleus (AGN) in a galaxy merging with two massive satellite galaxies. Observations reveal that the supermassive black hole at the heart of PJ308-21 consumes surrounding matter, powering the quasar's incredible brightness. Astonishingly, this black hole has a mass equivalent to two billion suns. This cosmic merger is a dramatic event, delivering vast amounts of gas and dust to the supermassive black hole, fueling its growth, and ensuring the continued brilliance of PJ308-21. These findings show how galaxies and supermassive black holes evolved in the universe's infancy. Roberto...