Two Black Holes Found Hard to Kill

[mickw]

A pair of rare medium-sized black holes was spotted near the center of a nearby galaxy, but for some reason they haven't been swallowed up by the supermassive black hole lurking there.

Scientists aren't sure how long these black holes will escape their larger cousin's clutches of death. For now, the dark duo provides more support to the controversial idea of goldilocks-like black holes that are neither very small nor very large

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