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Massive Black Hole Discovered in Cosmic Horseshoe Galaxy

8/23/2025

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Summary

Story summary

Astronomers discovered a black hole in the Cosmic Horseshoe galaxy, 36 billion times the sun's mass, the largest observed.
Located five billion light-years away, the Cosmic Horseshoe galaxy is one of the largest known galaxies, distorting spacetime into a near-ring of light.
The findings indicate that this ultra-massive black hole formed from merged supermassive black holes of companion galaxies.

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Story summary

Astronomers discovered a black hole in the Cosmic Horseshoe galaxy, 36 billion times the sun's mass, the largest observed.
Located five billion light-years away, the Cosmic Horseshoe galaxy is one of the largest known galaxies, distorting spacetime into a near-ring of light.
The findings indicate that this ultra-massive black hole formed from merged supermassive black holes of companion galaxies.