Gamma rays can be released in huge bursts like this, or more gradually HARALD RITSCH/SCIENCE PHOTO LIBRARY
There’s a flood of gamma rays coming at us from the centre of the Milky Way, and dark matter smashing apart at the edge of black holes could be partially responsible.
Supermassive black holes are believed to sit in the centre of every galaxy, and their smaller brethren, intermediate-mass black holes (IMBHs), are probably in the neighbourhood too.
The observed gamma ray excess from that region can’t be entirely accounted for by ordinary matter, so physicists turn…
Article amended on 9 February 2018
Clarification:We have added a second affiliation for Jillian Bellovary since this article was first published.
