The Cosmic Bouncers: How a Binary Black Hole Cleared a Galactic Core

Recent data from the James Webb Space Telescope has revealed a massive stellar cavity at the center of the galaxy Abell 402-BCG, spanning roughly 3,200 light-years across. While astronomers previously believed this void was merely a cloud of cosmic dust, infrared observations confirmed the area is actually a dead zone missing two billion stars. This phenomenon is caused by an ultramassive binary black hole system with a combined mass 60 billion times that of our sun. Through a process called core scouring, these two black holes act as gravitational slingshots, transferring their orbital energy to nearby stars and launching them into deep space. This discovery highlights the dynamic evolution of galaxies, showing how colossal forces can violently reshape the structure of the universe in a relatively short timespan.

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