This still photograph from a NASA video animation depicts the supermassive black hole Swift eating a big star, a process that scientists witnessed for the first time using the Swift satellite. - This is amazing!
This artist's concept illustrates a supermassive black hole with millions to billions times the mass of our sun. Supermassive black holes are enormously dense objects buried at the hearts of galaxies. Image by NASA/JPL-Caltech
At the centre of every large galaxy lives a giant black hole that swallows gas or dust clouds that stray too close. As matter spirals inwards, it is compressed into an accretion disk. By the time it falls into the black hole, the matter is so hot that muc