Rogue black holes could be wandering at the edges of the Milky Way

An enormous number of rogue supermassive black holes may be wandering around the universe, new simulations find.

In fact, wandering giant black holes may account for a whopping 10% of the nearby universe’s black hole mass “‘budget,'” the research finds. This means that galaxies like our own could have an average of 12 invisible behemoths prowling around their outskirts, gobbling up anything that gets in their way.

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