Dead pulsar

Scientists said they've detected the brightest pulsar ever -- a discovery as remarkable as it is confounding, UPI reported.
Despite its small dimensions and modest mass, the pulsating dead star is burning with the energy of 10 million suns.
The pulsar is now one of space's strange ultraluminous X-ray (ULX) sources -- a classification offered to cosmic objects that give off more energy than scientists' current understanding of stellar radiation processes can explain.
The discovery was made by a team of astronomers and astrophysicists from NASA, MIT and Caltech with the help of the U.S. space agency's Nuclear Spectroscopic Telescope Array, or NuSTAR.