Archived Huge population of Ultra-Dark Galaxies discovered (arstechnica.com)
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Archived Huge population of Ultra-Dark Galaxies discovered (arstechnica.com)
submitted ago by alexdumitru
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[–] tolstoy ago
What would a galaxy of black holes look like?
[–] kugupu ago
You're living in one. "The Milky Way galaxy contains some 100 billion stars. Roughly one out of every thousand stars that form is massive enough to become a black hole. Therefore, our galaxy must harbor some 100 million stellar-mass black holes."