NASA’s GPS-Like Deep Space Navigation Experiment Set to Launch on SpaceX Rocket

The space agency is preparing to test the use of pulsars as navigational beacons, which it hopes will enable a sustained human presence throughout the solar system.

A view of the optics system that will be used on the Neutron Star Interior Composition Explorer, which will provide high-precision measurements of neutron stars. NICER will also test — for the first time in space — technology that uses pulsars as navigation beacons. NASA