Astronomers have discovered that rapidly spinning extreme dead stars or pulsars push it to the edge, blasting out radio signals from their extremities.

Pulsars to the extreme: Spinning dead stars found blasting radio signals from the 'edge of their magnetic reach'

Source: space
Source Link: https://www.space.com/astronomy/stars/pulsars-to-the-extreme-spinning-dead-stars-found-blasting-radio-signals-from-the-edge-of-their-magnetic-reach