
We think of supermassive black holes as gorging cosmic monsters, swallowing up anything that gets too close, but according to a recent study, the supermassive black hole at the heart of a nearby galaxy called Circinus is actually a very picky eater.

We think of supermassive black holes as gorging cosmic monsters, swallowing up anything that gets too close, but according to a recent study, the supermassive black hole at the heart of a nearby galaxy called Circinus is actually a very picky eater.