Science
Scientists discover first ‘intermediate-mass’ black hole in massive merger – Big Think
It’s the largest black hole merger ever observed by scientists.

- In 2019, scientists detected gravitational waves that were later determined to come from the merging of two so-called “intermediate-mass” black holes.
- These black holes were thought to exist, but had never been directly observed.
- The discovery sheds new light on how black holes form.
In May 2019, a ripple of gravitational waves passed through Earth after traveling across the cosmos for 7 billion years. The ripple came in four waves, each lasting just a fraction…
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