Detailed image taken by Event Horizon Telescope of black hole 5bn light years away
Prof Claudia de Rham’s ‘massive gravity’ theory could explain why universe expansion is accelerating
Scientists say Milky Way’s Sagittarius A* has been more active in recent months. Unseeable and inescapable, black holes already rank among the more sinister phenomena out in the cosmos. So it may come as disconcerting news that the supermassive black hole at the centre of the Milky Way appears to be growing hungrier.
The particles of which the universe is made don’t much care which way time goes. But we do, and so do the stars and the planets.