Binary Pulsars

Binary pulsars are pairs of neutron stars orbiting each other, with at least one emitting regular radio pulses due to its strong magnetic field. These pulsars act like precise cosmic clocks, allowing scientists to study their orbit through the timing of the pulses. The mutual gravitational influence causes the orbit to change over time, making these systems valuable for testing Einstein's general relativity—especially phenomena like gravitational waves. Since neutron stars are dense remnants of massive stars, binary pulsars offer insights into extreme physics, gravity, and stellar evolution.