BRAIN DUMP

Could the black hole at the centre of our galaxy get so big it could swallow the Milky Way?

Aiofe Finnegan

■ The supermassive black hole at the centre of our Milky Way galaxy is called Sagittarius A* and weighs approximately 4 million solar masses, or 4 million times the weight of our Sun. This massive monster gobbles up everything that comes close – including light – and grows in size the more material it takes in. The heavier this gargantuan gobbler becomes, the stronger its gravitational influence, allowing it to suck in even more sustenance. However, even with a massive gravitational reach, there’s not much chance a black hole could eat an entire galaxy. It’s also theorised that there’s a