When is a black hole not a black hole? When it’s a boson star
Astronomers are confident they know what the mysterious massive object at the Milky Way’s heart is – but our first direct view this year could bring a shock
This year, we should have the clincher: the first direct image of the supermassive black hole at the Milky Way’s centre. But as we gear up for that shadowy mugshot, some physicists are entertaining a maverick thought: what if it isn’t there?
The new word is that our obsession with black holes might have blinded us to the existence of something even stranger – a basic phenomenon of particle physics whose significance we have failed to grasp. After all, there’s good reason to want whatever is at our galaxy’s heart not to be a black hole. For a start, black holes make a nonsense of quantum mechanics, the best theory of everything-besides-gravity that we have.
--- physics been turned into "nonsense" by Einstein's relativity anyway. If its decided there are no blackholes and it is instead "boson stars", then what about all that "nonsense" that LIGO detected blackholes colliding; is it then to be decided that they detected something that wasn't there?