Intermediate-Mass Black Hole Fills a Cosmic Void - TIME

Intermediate-Mass Black Hole Fills a Cosmic Void - TIME:


 "The universe doesn't do medium. In terms of what turns heads, you're either very, very big (think galactic clusters) or very, very small (think neutrinos and bosons). That's long been assumed to be the rule for black holes too. For 30 years, astronomers have been looking for evidence of a theorized class of black hole that would be sort of a cosmic middle child, falling somewhere between the well-established smaller ones — which are "only" 30 times the mass of our sun — and the supermassive types that are the equivalent of millions of solar masses."

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