According to a new study conducted by German astronomers Dr Valeri Hambaryan and Dr Ralph Neuhauser, an intense blast of high-energy radiation that struck our planet in the 8th century may have been caused by a nearby short gamma-ray burst, emitted by two merging stellar remnants – black holes, neutron stars or white dwarfs. Black hole merger (NASA / CXC / A. Hobart / Josh Barnes, Univesity of Hawaii / John Hibbard, NRAO) In 2012, cosmic-ray...
