The so-called "sleeping giant," named Gaia BH3, has a mass that is nearly 33 times that of our sun, and it's located 1,926 light-years away in the Aquila constellation, making it the second-closest known black hole to Earth. The closest black hole is Gaia BH1, which is located about 1,500 light-years away and has a mass that is nearly 10 times that of our sun.
The wobbling movement of an old giant star in the Aquila constellation revealed that it was in an orbital dance with a dormant black hole, and it's the third such dormant black hole spotted by Gaia. The process by which supermassive black holes form is poorly understood, but one theory suggests it happens when massive cosmic clouds collapse. Stellar black holes form when massive stars die. So Gaia BH3 is the most massive black hole in our galaxy that formed from the death of a massive star.
But astronomers hadn't been able to find evidence directly linking high-mass black holes and metal-poor stars until they found Gaia BH3.
Black Hole Spotted Gaia Bh3 Light Year Distance Black Hole Milky Way Milky Way Black Home Earth Distance
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