Scientists at the University of Leicester have been commissioned to find out wheather dead stars could be used to navigate in deep space.
Up until now space navigation has relied on radio transmissions with ground stations on Earth. But large distances mean it can take hours or even days to communicate with space craft in outer space. The size of radio antennas is also an issue.
Scientists are investigating whether x-rays from dead stars called pulsars could assist navigation. The pulsars emit intense electromagnetic radiation as pulses - similar to the rotating beam of light seem from a light house. They can be highly regular making them a suitable source to navigate from.