When black holes emerge out of hiding to feast on their prey and some type of matter is sucked into their celestial maw, they begin to glow brightly.
The events, dubbed “extreme nuclear transients,” are not only more rare than a supernova star explosion, but are more powerful than 100 supernovae combined.
Since just 10% of early black holes are actively eating gas and dust, extreme nuclear transients are a different way to find black holes across vast cosmic distances.
Supermassive black holes , but catching one in the act of devouring its dinner doesn't happen all that often.
In fact, unless a black hole is actively in the middle of eating gas, dust or massive stars, the ominous entities remain invisible to us. It's when black holes emerge out of hiding to feast on their prey and some