Spectacularly bright object in Andromeda caused by 'normal' black hole
An international team of scientists, led by Dr Matt Middleton, of Durham University, analysed the Ultraluminous X-ray Source (ULX), which was originally discovered in the Andromeda galaxy by NASA's Chandra x-ray observatory. They publish their results in the journals Monthly Notices of the Royal Astronomical Society and Astronomy and Astrophysics. Many ULXs are too far away for astronomers to study, but the relatively close proximity of Andromeda to the Milky Way - around 2.5 million light years - gave the team opportunity to study the phenomenon. Read more