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Sep 21, 2024

Entire Swarm of Black Holes Detected Moving Through The Milky Way

Posted by in category: cosmology

I find it weird that black holes would be moving throughout the galaxy because most are stationary.


A fluffy cluster of stars spilling across the sky may have a secret hidden in its heart: a swarm of over 100 stellar-mass black holes.

The star cluster in question is called Palomar 5. It’s a stellar stream that stretches out across 30,000 light-years, and is located around 80,000 light-years away.

Such globular clusters are often considered ‘fossils’ of the early Universe. They’re very dense and spherical, typically containing roughly 100,000 to 1 million very old stars; some, like NGC 6397, are nearly as old as the Universe itself.

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