Cape Town astronomer Roger Deane and a team of South African-funded researchers have discovered a trio of closely orbiting supermassive black holes in a galaxy more than 4-billion light years away – confirmation of the country’s fast-growing expertise in the field of radio astronomy.
The discovery of the triple black hole system, the tightest trio of black holes known to date, “is remarkable since most galaxies have just one at their centre” and suggests that closely packed supermassive black holes are far more common than previously thought, Square Kilometre Array (SKA) South Africa said in a statement on Friday. Read more