Fastest-growing black hole of past 9bn years may have been found, Australian-led astronomers say

A colour image from the SkyMapper Southern Sky Survey shows the growing black hole as a bright blue source. Photograph: Christopher Onken/Australian National University

Astronomers believe they have discovered the fastest-growing black hole of the past 9bn years.

The supermassive black hole consumes the equivalent of one Earth every second and has the mass of 3bn suns, they estimate.