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And second generation black holes have been found. And physicists believe they have detected two pairs of merging black holes where the larger one is a result of a previous collision making it a second generation. The two bigger black holes were spotted through the detection of gravitational waves October 28. This was reported October 28th in the Astrophysical Journal of Letters. Each merger had the larger black hole spinning rapidly and was much more massive than the partner black hole it consumed. The events were seen with LIGO, Virgo, KAGRA collaboration which are basically a set of gravitational wave detectors positioned around the world. The first merger was seen October 11, 2024. And that allowed scientists to spot two black holes measuring six and 20 times the sun's mass colliding in a merger named GW2-24-101 which took place about 700 million light years from Earth. And the bigger of the two black holes was one of the fastest spinning black holes ever found. The second merger was GW2-24-11-10. And that was discovered November 10, 2024 with black holes having masses 8 and 17 times that of the sun. And this merger took place 2.4 billion years, light years away.