‘Needle in a haystack’ black hole discovered in nearby galaxy

Scientists have spotted an example of a black hole that should be extremely common but quite difficult to find.

The challenge of discovering what astronomers call dormant black holes comes from the fact that these objects do not actively feed on matter such as gas, dust or stellar matter extracted from a companion star. Without power, these black holes don’t emit X-rays, which scientists use to spot typical black holes. The new discovery could have ramifications for understanding how stars collapse at the end of their life, according to the researchers.

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