We counted 20 billion ticks of an extreme galactic clock to give Einstein's theory of gravity its toughest test yet
- Written by Adam Deller, Associate Investigator, ARC Centre of Excellence for Gravitational Waves (OzGrav), and Associate Professor in Astrophysics, Swinburne University of Technology
An artist's impression of the Double Pulsar system in which the two pulsars orbit each other every 2.5 hours and send out high-energy beams that sweep across the sky.Image credit: John Rowe Animations/CSIRO, CC BYFor more than 100 years, Albert Einstein’s general theory of relativity has been our best description of how the force of gravity...
