These are hypothetical black holes with a mass between 100 and 100,000 times the mass of the sun. There is some evidence to suggest that these types of black holes exist, but they have not been directly observed yet.
These are hypothetical black holes with a mass between 100 and 100,000 times the mass of the sun. There is some evidence to suggest that these types of black holes exist, but they have not been directly observed yet.