What If GPS Stood for “Galactic Positioning System”?

Illustration: NASA At the American Astronomical Society’s 231st meeting , in Washington, D.C. earlier this month, Keith Gendreau, principal investigator for NASA’s Neutron-star Interior Composition Explorer ( NICER ) mission described something remarkable: the first successful demonstration of a system to use pulsars for navigation in space.

Source: What If GPS Stood for “Galactic Positioning System”?