Science, Maths & Technology
Astronomers think they’ve just spotted an ‘invisible’ black hole for the first time
...research, which has been posted online and submitted for publication in the Astrophysical Journal, is yet to be peer-reviewed. Black holes are what’s left after large stars die and their cores collapse. They are incredibly dense, with gravity so strong that nothing can move fast enough to escape them, including light. Astronomers are keen to study black holes because...