The universe continues to open doors to new discoveries every day. As scientists’ interest in space grows daily, new discoveries are generating excitement. With today’s announcement, the largest black hole ever discovered has been discovered. It is estimated to be the size of 36 billion Suns and 10,000 times more massive than the void at the center of the Milky Way. Here are the details.
The black hole in the Cosmic Horseshoe is the largest yet
The black hole discovered through research is equivalent to 36 billion Suns and 10,000 times more massive than Sagittarius A* at the center of the Milky Way. Its location is located in the giant galaxy called the Cosmic Horseshoe, located 5 billion light-years from Earth. Scientists revealed that two methods were used to detect the black hole.

Because the discovered black hole is dormant, it does not consume matter or form a bright quasar. As a result, it cannot be seen directly. Scientists used Gravitational Lensing (Einstein Rings), which involves a black hole bending the light of a background galaxy, and the extremely high speed (approximately 400 km/s) movement of stars near the center of the galaxy.
By combining the results of these two measurements, the black hole’s mass could be precisely calculated. One observation regarding the formation of the black hole was that the black holes of the merging galaxies also merged to form a supermassive black hole.
The Cosmic Horseshoe’s existence as a fossil group, meaning it was once a cluster of galaxies that merged over time to become a galaxy, has been explained as one factor contributing to this phenomenon.
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