A newly observed gravitational wave event from the collision of two massive, rapidly spinning black holes forces scientists to reconsider how these cosmic giants are born and grow.
Gelechia bilobuncusa (top, left: ), Gelechia adi (top, right), and Istrianis ladakhensis (bottom). Image credit: Authors, https://doi.org/10.11646/zootaxa.5728.1.6
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