3C 273, a quasar (super luminous active galactic nucleus), is observable with an 8-inch telescope despite its distance of over 2 billion light-years. Its luminosity is attributed to a supermassive ...

Optical imaging devices have become ubiquitous in our society, and a trend toward their miniaturization has been inexorable. In addition to facilitating portability, miniaturization can enable imaging ...

University of Leicester provides funding as a member of The Conversation UK. Active galaxies are some of the most luminous and impressive objects in the sky. They tend to be massive, distant and emit ...

Philip Wiseman works at the University of Southampton and is funded by the Science and Technology Facilities Council. A new study published in Nature Astronomy describes the most luminous object ever ...