Hubble spies universe's 'missing' link in black holes
Astronomers have detected what could be "missing link" in the development of the universe: mid-size black holes that are neither supermassive nor as small as a single exploded star. The middling
Astronomers have detected what could be "missing link" in the development of the universe: mid-size black holes that are neither supermassive nor as small as a single exploded star. The middling